Water flows into a swimming pool at the rate of 14.9 gal/min.
If the pool dimensions are 25.1 ft wide,
44.4 ft long and 12.7 ft deep, how long does
it take to fill the pool? (1 gallon = 231 cubic
inches)
Answer in units of min.

The metric unit of electrical power is the watt volt ampere ohm

Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?

Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?