By what factor must the amplitude of a sound wave be increased in order to increase the intensity by a factor of 9? a. 9 b. 2 c. 4 d. 3

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddy’s power rating

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.

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?