Q1: In 3.5 seconds the helicopter has potential energy equal to 70.2 J, what is mechanical energy at the same time if the kinetic energy is equal to 14J? Solution:

What is the difference between electrically neutral objects and electrically charged objects

The slotted link is pinned at o, and as a result of rotation it drives the peg p along the horizontal guide. compute the magnitude of the velocity and acceleration of p along the horizontal guide. compute the magnitudes of the velocity and acceleration of p as a function of θ if θ=(3t) rad, where t is measured in seconds.

Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesn’t slow down or speed up, what is his speed?