28. Which of these objects has the greatest inertia? aircraft carrier airplane p
ID: 1397611 • Letter: 2
Question
28.
Which of these objects has the greatest inertia?
aircraft carrier
airplane
pillow
bowling ball
29.
What is the magnitude of the velocity at time t = 15.0 s?
250 m/s
56 m/s
47 m/s
49 m/s
28 m/s
30.
A satellite of mass M takes time T to complete one orbit around a planet. If the satellite had twice as much mass, what would be its period of rotation?
T/4
2T
4T
T
T/2
31.
A racquetball strikes a wall with a speed of 30 m/s and rebounds with a speed of 26 m/s. The collision takes 20 milliseconds (ms). What is the average acceleration of the ball during the collision?
zero
1500 m/s2
2800 m/s2
1300 m/s2
200 m/s2
32.
An object has 60 J of potential energy and 40 J of kinetic energy. Then 10 J of the potential energy is converted into kinetic energy. How much work was done on the object?
50 J
100 J
10 J
20 J
28.
Which of these objects has the greatest inertia?
aircraft carrier
airplane
pillow
bowling ball
Explanation / Answer
(28) Aircraft Carrier as its mass it very large in comparision to other options
Moment of inertia is = MR2
So it depends on mass as well as the square of distance of mass particles from the axis
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