A dog is pulling on a leash while walking down the sidewalk. What frame of reference would
indicate that the dog is not moving?
A. A nearby building
B. A tree
C. The leash
D. The sidewalk

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.

In what direction does an applied force move an object

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?