An object is observed to be traveling at a speed of 11.5 m/s in the -x...
An object is observed to be traveling at a speed of 11.5 m/s in the -x direction at the present moment. What was its velocity 54.69 seconds ago (in m/s)? (Include the sign of velocity in your answer.) Its acceleration during this interval was 6.7 m/s^2 pointed in the +x direction.
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An object is observed to be traveling at a speed of 11.5 m/s in
the -x...
An object is initially traveling in the +x direction at 15 m/s. A constant acceleration of...
An object is initially traveling in the +x direction at 15 m/s. A constant acceleration of 6.7 m/s2 is applied in the -x direction. What is the displacement it travels, in meters, before it stops? If in the negative x direction, indicate so with a negative sign.
1. An object is originally moving in the +x direction at 16 m/s and a constant...
1. An object is originally moving in the +x direction at 16 m/s and a constant acceleration is applied to it. When it is at a displacement of 7 meters in the +x direction it is moving in the -x direction at 6 m/s. What is the acceleration of the object in m/s2? If in the -x direction, include a negative sign. 2. An object travels in the +x direction for 6 meters for 3.4 seconds and then, immediately, changes...
10. An automobile, traveling at a constant speed of 25 m/s, enters a 90° curve and...
10. An automobile, traveling at a constant speed of 25 m/s, enters a 90° curve and emerges from this curve 68 later. What are the x and y components of average acceleration during this time interval? [Hint: Av, 0 m/s - 25 m/s -25 m/s, Avy - 25 m/s - 0 m/s - 25 m/s.az - Av, /t, a, Av, /t] 11. While jogging this morning you encountered a circular track. As you finished one round along the track with...
an object moves in the +x direction at a speed of 48 m/s. As it passes...
an object moves in the +x direction at a speed of 48 m/s. As it passes through the origin, it starts to experience a constant acceleration of 4.0 m/s^2 in the -x direction. a. how much time elapses before the object returns to the origin? b. what is the magnitude of the velocity of the object when it returns to the origin? c. what is the direction of the velocity of the object when it returns to the origin? -x...
1. The velocity of an object traveling along the x-axis changes from 20 m/s to 60...
1. The velocity of an object traveling along the x-axis changes from 20 m/s to 60 m/s in 10 seconds. What was the displacement that occurred during this time? 2. An object moving along the x-axis initially has a velocity of 60 m/s and is slowing rest? down at the rate of 4 m/s per second. How far (in meters) will it travel before coming to 3. An accelerating object travels 12 meters from rest in a certain time. How...
6.) Given the following v vs t graph for some object, the object at some velocity...
6.) Given the following v vs t graph for some object, the object
at some velocity in the +x direction. After 3.8 seconds it stops,
at 7.6 seconds it changes acceleration, and after 10 seconds, it is
stopped again. (Note that from 0 s until 7.6 seconds, the
acceleration is the same.) From 0 until 10 seconds, the average
speed of the object is 28 m/s. What is the acceleration from 0 to
7.6 seconds in m/s2? If in the...
A 51.0g Super Bal traveling at 28.5 m/'s bounces off a brick wall and rebounds at...
A 51.0g Super Bal traveling at 28.5 m/'s bounces off a brick wall and rebounds at 19.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.45 ms, what is the magnitude of the average acceleration of the ball during this time interval? 10700 Average acceleration is the change in velocity divided by the time interval. m/s Need Help? hud Yaehs A position-time graph for a particle moving along the x axis...
A comet is traveling through space with speed 3.73 ✕ 104 m/s when it encounters an...
A comet is traveling through space with speed 3.73 ✕ 104 m/s when it encounters an asteroid that was at rest. The comet and the asteroid stick together, becoming a single object with a single velocity. If the mass of the comet is 1.21 ✕ 1014 kg and the mass of the asteroid is 6.30 ✕ 1020 kg, what is the final velocity of their combination? (Assume the comet's initial direction is positive. Indicate the direction with the sign of...
5. An object is traveling at 20 m/s, but is accelerating at -5 m s2. After...
5. An object is traveling at 20 m/s, but is accelerating at -5 m s2. After six seconds the object begins to slow and has come to a stop five seconds later. Draw graphs of position, velocity and acceleration versus time (each on separate axes) for this object. Be quantitative. Specify the position, velocity, acceleration and time tor point(s) when the object has stopped.
An object of mass 10m, traveling in the x-direction at 5 m/s, explodes into 3 parts....
An object of mass 10m, traveling in the x-direction at 5 m/s, explodes into 3 parts. a. If the part with mass 2m has a speed of 5 m/s in the x-direction, what are the velocities (vi and v2) of the other two masses? b. What is the velocity of the center of mass after the explosion? Wy- 50 Am 10m 10 m/s 2 5 m/s
10. An automobile, traveling at a constant speed of 25 m/s, enters a 90° curve and emerges from this curve 68 later. What are the x and y components of average acceleration during this time interval? [Hint: Av, 0 m/s - 25 m/s -25 m/s, Avy - 25 m/s - 0 m/s - 25 m/s.az - Av, /t, a, Av, /t] 11. While jogging this morning you encountered a circular track. As you finished one round along the track with...
1. The velocity of an object traveling along the x-axis changes from 20 m/s to 60 m/s in 10 seconds. What was the displacement that occurred during this time? 2. An object moving along the x-axis initially has a velocity of 60 m/s and is slowing rest? down at the rate of 4 m/s per second. How far (in meters) will it travel before coming to 3. An accelerating object travels 12 meters from rest in a certain time. How...
6.) Given the following v vs t graph for some object, the object
at some velocity in the +x direction. After 3.8 seconds it stops,
at 7.6 seconds it changes acceleration, and after 10 seconds, it is
stopped again. (Note that from 0 s until 7.6 seconds, the
acceleration is the same.) From 0 until 10 seconds, the average
speed of the object is 28 m/s. What is the acceleration from 0 to
7.6 seconds in m/s2? If in the...
A 51.0g Super Bal traveling at 28.5 m/'s bounces off a brick wall and rebounds at 19.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.45 ms, what is the magnitude of the average acceleration of the ball during this time interval? 10700 Average acceleration is the change in velocity divided by the time interval. m/s Need Help? hud Yaehs A position-time graph for a particle moving along the x axis...
5. An object is traveling at 20 m/s, but is accelerating at -5 m s2. After six seconds the object begins to slow and has come to a stop five seconds later. Draw graphs of position, velocity and acceleration versus time (each on separate axes) for this object. Be quantitative. Specify the position, velocity, acceleration and time tor point(s) when the object has stopped.
An object of mass 10m, traveling in the x-direction at 5 m/s, explodes into 3 parts. a. If the part with mass 2m has a speed of 5 m/s in the x-direction, what are the velocities (vi and v2) of the other two masses? b. What is the velocity of the center of mass after the explosion? Wy- 50 Am 10m 10 m/s 2 5 m/s
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