Abaseball, hit 7 feet above the ground, leaves the bat at an angle of 75 and its caught by an outfielder 7 feet above the ground and 300 feet from home plate. how high does the ball rise? round your answer to the nearest integer.

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.