How an object changes velocity depends on the direction of the force exerted on that object. 8 m/s every second. The 0. 13. 75 m/s B. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. 2. The force of gravity that acts upon an object is referred to as the _____ of the object. 58 m/s D. Figure 6. Tangential velocity is the instantaneous linear velocity of an object in rotational motion. 2. " Imagine a person moving. Thus, if an object's velocity doubles, its kinetic energy will increase by a factor of four. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. Added 351 days ago|10/26/2022. 75 m /s ; acceleration = v2-v1/ t = 98 - 65 / 12 = 33/12 = 2. 75 meters per second squared B. Change in velocity = (final velocity) - (initial velocity) Change in velocity = (98) - (65) Change in velocity = 33. So a velocity might be "20 m/s, downward". 2. When a constant force acts upon an object, the acceleration of the object varies inversely with its mass 2kg. If the velocity of an object changes from 65. Acceleration = change of velocity ÷ time taken. 75 m/s is the acceleration of the object. 58 m/s D. 75 m/s D. It is said to have a constant acceleration of -9. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object is 2. ,. 3 The displacement Δ→r =→r (t2)−→r (t1) Δ r → = r → ( t 2) − r → ( t 1) is the vector from P 1 P 1 to P 2 P 2. the object no longer accelerates as it falls because the size of the force upwards (air resistance) matches the size of the force downward (gravity). 95 × 4 = 27. a. 58 m/s C. a ¯. 33 m/s C. 13. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. 2. Because speed is a rate, it depends on the. 42m/s (d) 33m/s This problem has been solved!If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. The acceleration of the object is and it is negative acceleration. v = final velocity. On Earth's surface, you can use g = 9. 58 m/s D. 2. 75 m /s ; acceleration = v2-v1/ t = 98 - 65 / 12 = 33/12 = 2. For example, say a problem asks you to calculate the momentum of a 15 ext { kg} 15 kg object moving at 6 ext { m/s} ext { North} 6 m/s North. 75 m /s^2 ; acceleration = v2-v1/ t = 98 - 65 / 12 = 33/12 = 2. 75 m /s ; acceleration = v2-v1/ t = 98 - 65. Velocity is the speed in combination with the direction of motion of an object. Average velocity ( v) of an object is equal to its final velocity (v) plus initial velocity (u), divided by two. The position of a vibrating object changes as a function of time as x = (0. The answer is 2. is the rate of change. When a constant force acts upon an object, the acceleration of the object varies inversely with its mass 2kg. As given . 5. 58 m/s D. In fact, the amount of energy it takes to change an object's velocity is an indirect measure of the object's mass. 75 m/s D) 13. 75 m /sIf the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. rate of change of displacement; An object has an initial velocity of 3. 8 m/s/s is to say that the vertical velocity changes by 9. 75 m/s B. 13. of an object is its speed in a particular. 58m/s(b) 5. 5. 75 m /sThe impulse is the momentum change of an object due to a force applied for a given period. Newton's second law states that force is proportional to what is required for an object of constant mass to change its velocity. 13. 8. Since acceleration is the rate of change of velocity with time and velocity is a vector quantity, this change in direction is also considered acceleration. 60kg object hits the table. 58 m/s D. 5. 6743×10-11 m3/ (kg·s2). So if your coin is brought to a stop when contacting the head,. Anita: “A projectile’s v x changes because of gravity, and its v y remains constant. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. acceleration - the rate at which the stuff changes its velocity c. The displacement for the round trip is zero, since there was no net change in position. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. Indicate whether speeding up or slowing down. Step-by-step explanation: We are given with, an object is moving east, and its velocity changes from 65 m/s to 25 m/s in 10 second. v avg = Δ d Δ t = d f − d 0 t f − t 0. 58 m/s D. On the other hand, the term Acceleration is put substantially into use to describe the change in velocity over time. The instantaneous velocity can just be read off of the graph. 2. An object's velocity v as a function of time t is given in the graph. The speed of the 0. 75 m/s^2. Velocity, being a vector, has both a magnitude and a direction. Which describes the acceleration? 4 m/s 2 in negative acceleration. For example, say a problem asks you to calculate the momentum of a 15\text { kg} 15 kg object moving at 6\text { m/s}\text { North} 6 m/s North. This answer has been confirmed as correct and helpful. ”. v a v g = Δ x Δ t = x f − x 0 t f − t 0. vertical components of acceleration and velocity. 5 N of force to lift a 2. time graph shows vertical position only. 75. An object with no movement at all has a zero speed. 75 m/s is the acceleration of the object. 13. You can also enter the values of mas s and velocity change of an object to calculate the impulse from the equation J = mΔv. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. Compared to Object B, Object A has ____ momentum. 5. 82c, c = 3 × 1088 m/s22. In this formula, v a v g is the average velocity; Δ x is the change in position, or displacement; and x f and x 0 are the final and beginning positions at times t f and t 0 , respectively. 75 m/s, which is the result of dividing the change in velocity by the time. 2. 33 m/s C. User: If the velocity of an object changes from 65 m/s to 98 m/s during the time interval of 12 s, whats the acceleration of the object?A 13. At times greater than this, velocity becomes negative—meaning, the boat is reversing direction. v = velocity. 33 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 seconds what’s the acceleration of the object If the velocity of an object. It is because direction itself does not has any unit and It does not affect the unit of velocity. Average velocity is defined to be the change in position divided by the time of travel. 87 m/s at 40. 2. Instant Text Answer. 75m/s (c) 13. 250 kg object is originally 2 m/s and is 1. Object 2 has a mass of 2. 75 m/s B. Question and answer 8. 75 m/s^2. 75 m /s ; acceleration = v2-v1/ t = 98 - 65 / 12 = 33/12 = 2. Accelerating objects are changing their velocity - either the magnitude or the direction of the velocity. a = acceleration. Because velocity is a vector, momentum is also a vector. the time interval was 12 s. 5. Accelerating objects are changing their velocity - either the magnitude or the direction of the velocity. So, the value of the slope at a particular time represents the acceleration of the object at that instant. In this portion of Lesson 2 you will. Put another way, speed is a scalar value, while velocity is a vector. 58 m/s. A car travels 65 km in 1 hour What is its average speed in meters per second. The result is the gravitational force in newtons. 33 m/s C. 33 m/s D. A plot of position or of velocity as a function of time can be very useful. 75 meters per second squared B. 9999999999999999 seconds, the object still has some velocity. Remember that velocity is a measure that includes both speed and direction. So while velocity is in m/s, we know that acceleration is m/s per s, meaning m/s^2. Strategy. 33 meters per second squared B. But because of the big mass, it resists acceleration more. 13. 75 meters per second squared D. 5 m/s. Figure 10. 3. 75 m /s. Velocity is a physical vector quantity: both magnitude and direction are needed to define it. 33 m/s C. Velocity-time graph. a ¯, means average. Average velocity = initial velocity + final velocity/2 = 15 + 50/2 = 65/2 = 32. accelerating. This formula assumes constant acceleration. 65 m/s^2 and over a time interval reaches a final velocity of 10. 8 m/s each second. 5. 13. 75 m/s is the acceleration of the object. 13. 42 meters per second squared C. Which one of the following statements describes a fast-moving object? and more. The average velocity during the 1-h interval from 40 km/h to 80 km/h is 60 km/h: v – = v 0 + v 2 = 40 km/h + 80 km/h 2 = 60 km/h. So while velocity is in m/s, we know that acceleration is m/s per s, meaning m/s^2. what's the force of gravity acting on the rock, on the moon Weegy: 2+2=4 Score 1 Figure [Math Processing Error] 2. , Explain why an object with a smaller mass has a larger acceleration than an object with a larger mass if the same force acts on each. The rate at which velocity of an object is changing is called its acceleration. We know that the condom Matic equation is equal to the initial square plus two acceleration into displacement. Acceleration= change in velocity ÷ time. objects with greater _______ have greater inertia. 75 m/s B. d. 8-kg halfback encountering a force of 1025 N for 0. 2) Object's motion can be found by using a in the equations of kinematics. The acceleration is given by finding the slope of the velocity graph. This answer has been confirmed as correct and helpful. acceleration = v2-v1/ t = 98 - 65 /. Vertical velocity can be expressed as – g t –g t – g t. Final velocity = 98 m/s Intial velocity = 65 m/s. v ― = ( v + u) 2. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, 2. An object is moving east, and its velocity changes from 65 m/s to 25 m/s in 10 seconds. 75 m/s B. 5 × m × v². If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s . User: if the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what's the acceleration of the object Weegy: a = (98 m/s - 65 m/s)/12 s = 33 m/s/12 s = 2. 13. Definition of Speed:. If the coin is stopped in 0. what's the force of gravity acting on the rock, on the moon Weegy: 2+2=4 Score 1 User: within the. ): The car changed its position by 36 meters over 8 seconds. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what’s the acceleration of the object? A. 42 m/s star. When something slows, its acceleration is _____. 5. The work done upon an object is found with the equation. Such as distance, displacement, speed, times, velocity, etc. 5. It is the rate of change of distance. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. Velocity (v) is a vector quantity that measures displacement (or change in position, Δs) over the change in time (Δt), represented by the equation v = Δs/Δt. If the velocity and time for a free-falling object being dropped from a position of rest were tabulated, then one would note the following pattern. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, 2. This answer has been confirmed as correct and helpful. 2. Energy and gravitationally bound objects. To get the precise. 81 m/s 2 (32. Because an object undergoing uniform circular motion is changing direction, it is changing velocity. 2. 9974 Category. The SI units of momentum are kg·m/s or N·s, and imperial units are lbs·ft/s. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. 2. 75 m/s B. 75 m/s. 17 shows an example of a very energetic rotating body: an electric grindstone propelled by a motor. Negative acceleration of 4 m/s^2. 75 m/s B. u = initial velocity. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12s, the acceleration of the object 2. This means that if you drive for 65 miles, it will take you. An object that accelerates at a constant rate has a velocity that changes by the same amount each second. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. To say that a projectile has a vertical acceleration of -9. 75 m/s B. 13. Instantaneous speed is a measurement of how fast an object is moving at that particular moment. Speed is the rate at which an object changes its location. acceleration = v2-v1/ t = 98 - 65 /. Main Differences Between Velocity and Acceleration The term Velocity is significantly put into use to describe the speed of an object in a given direction. The following examples illustrate the concept of. 75. Added 5/17/2021 4:27:47 PM. a ¯ = Δ v Δ t = v f − v 0 t f − t 0 . 58 m/s D. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, 2. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. 13. Velocity is a vector quantity that refers to "the rate at which an object changes its position. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. 42 m/s C. 58 m/s Weegy: A tenement is a type of building shared by multiple dwellings, typically with flats or apartments on each floor and with shared entrance stairway access, on the British isles notably common in. 75 m/s^2. 75 m /s ; acceleration = v2-v1/ t = 98 - 65 / 12 = 33/12 = 2. 75 meters per second squared If the velocity of an object changes from 65 m/s to 98 m/s during a. An object is accelerating if it is changing its velocity. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. 17405 ft/s) every second. ”. 75 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. Weegy: If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. In simple words, the term velocity gives us an idea of the speed at which an object is. 58 m/s D. Initial speed is 65 m/s and final speed is 25 m/s. 2. When the velocity of an object changes, the object is accelerating. 33 m/s C. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, 2. Only velocity includes the direction an object is traveling. This functionality is complicated and depends upon the shape of the object, its size, its velocity, and the fluid it is in. 3. what's the force of gravity acting on the rock, on the moon Weegy: 2+2=4 Score 1 User: within the. To visualize this, let's say for example, the object reaches zero velocity 6 seconds when it is thrown. 3. what's the force of gravity acting on the rock, on the moon Weegy: 2+2=4 Score 1 If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. 1. Because acceleration is the rate of change of velocity, and the object is changing direction, it is said to be accelerating. A= change in velocity/ change in time = vf- vi/ tf- ti. A graph that has velocity plotted on the vertical axis and time plotted on the horizontal axis. Question: 5000 v(t) 500 + 10t2 4000 3000 (s) 2000 1000 0 0 5 10 15 20 t(s) The graph above shows how the velocity of an object changes with time. For example, 50 km/hr (31 mph) describes the speed at which a car is traveling along a road, while 50 km/hr west. What does it mean when a change in velocity is negative? a. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. 13. 75 meters per second squared B. v avg = Δ d Δ t = d f − d 0 t f − t 0. Your velocity went from 65 to 98 m/s - that's a positive change (gain) of 33 m/s. Solution: (98 m/s - 65 m/s) / 12s = 33 m/s / 12s = 2. 42 m/s If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12s, the acceleration of the object 2. e. 58 m/s D. 75 m /sIf the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, the acceleration of the object 2. 75 m/s^2 Score 1 User: A moon rock has a mass of 125 kg. 75 m /s ; acceleration = v2-v1/ t = 98 - 65 / 12 = 33/12 = 2. 13. The three graphs of motion a high school physics student needs to know are: Position vs. Three objects in a system are moving as follows: Object 1 has a mass of 5. The displacement is given by finding the area under the line in the velocity vs. Added 1/2/2021 10:15:52 PM. The equation for force is written: F = m ⋅ a (4. Acceleration is the change in the velocity per unit time, or: a = [V (final) - V (initial)] / [t (final) - t (initial)] Velocity has a direction, therefore acceleration has a direction. 75 m/s^2, according to the expert-verified answer on brainly. Thus the average velocity is zero. Substituting these values into the above equation yields. The work energy theorem states that the net work done an object equals its change in kinetic energy. 75 m/s D. The acceleration is a constant downwards 9. 2. The change in velocity of an object per unit time, or the rate of change of velocity function with respect to time, is defined as the acceleration. 13. Divide the result by the square of the distance between the masses, in meters. If you know the force acting on the object, enter the values of force and time change. 2. 75 is the acceleration of the object. This answer has been confirmed as correct and helpful. Solution: (98 m/s - 65 m/s) / 12s = 33 m/s / 12s = 2. Although speed and velocity are often words used interchangeably, in physics, they are distinct concepts. 5. Acceleration is the rate of change of an object's speed; in other words, it's how fast velocity changes. 4. Usually, acceleration means the speed is changing, but not always. The calculator can use any two of the values to calculate the third. The change in an object's velocity during a measurable time interval divided by that specific time intervalVIDEO ANSWER: An object is moving at a rate of 12 meters per second and stops at a distance of six meters. 33 m/s Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. Because speed is a rate, it depends on. 13. Average velocity is defined to be the change in position divided by the time of travel. You throw a ball. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what's the acceleration of the object? A. When an interaction is contributing to the change in the momentum (not velocity or acceleration directly), we say that the interaction is "exerting a force" between the objects. Velocity is represented by small bold v (v). 5. In this case, the initial velocity (u) is 2 m/s, the final velocity (v) is 15 m/s, and the time interval (t) is 5. Both 980N. 2. See it like this: you are going to a amusement park in a bus with your friend. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing. It is the rate of change of distance. Nevermind, I thought, it's just a definition. Step 1/3 First, we need to find the change in velocity (Δv) of the object: Δv = final velocity - initial velocity Δv = 98 m/s - 65 m/s Δv = 33 m/s. 5 m/s. 11. 75 meters per second squared C. 2. If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12s whats the acceleration of the object If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, [ the acceleration of the object 2. 13. The answer is 4m/s negative acceleration. 2 m) cos (π s − 1) t. v a v g = Δ x Δ t = x f − x 0 t f − t 0. time for a rock thrown vertically up at the edge of a cliff. p=mv p = mv. 13.