How do you find the efficiency of a motorized machine given the work input and output?

A ballplayer standing at home plate hits a baseball that is caught by another player at the same height above the ground from which it was hit. The ball is hit with an initial velocity of 32.1 m/s at an angle of 60.0° above the horizontal.

What are the 5 rules of dodgeball?

If this speed is based on what would be safe in wet weather, estimate the radius of curvature for a curve marked 50 km/h. The coefficient of static friction of rubber on wet concrete is μs=0.

What are some examples of uniform motion

How was the evidence of the big bang called?

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth