A ball is thrown at 25 m/s at an angle of 55 degrees. a. How much time does it take for the ball to reach the top of its path? GUFWA round to
the tenths place

b. Find the total range (x) of the ball. GUFWA round to the tenths place

"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?

Based on this activity, is kinetic energy always transformed into potential energy?