A softball needs to hit a bucket 43.0 m away on flat ground. If it is aimed at 72.0 °, what must its initial velocity be?

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.

Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 220 m/s2 for 20 ms, then travels at constant speed for another 30 ms.