Determine which of the following objects has the highest kinetic energy. Show your calculations:
* an 11 pound bowling ball traveling at 3.6 m/s
* A 450 g soccer ball traveling at 22.0 m/s
* a 14 g baseball traveling at 450 m/s

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.

If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, what will the particle do? a. accelerate in the positive x-direction b. remain at rest c. accelerate in the negative x-direction

Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving