a cord is wrapped around a pulley, the pulley has a moment of intertia about I=0.550kg*M^2 and radius of 5.00 cm with a Torque =0.430 N*m acclerate the at a=4.55 rad/s^2

If a textbook weighs 37.2 n on venus, and the book has a mass of 4.4 kg, what is the strength of gravity on venus? 8.9 m/s28.9 m/si don't have enough information,9.8 m/s2

In a system, when potential energy decreases, then entropy also decreases. true false

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?