A ball is dropped and falls with an acceleration of 9.8m/s^2 downward. it hits the ground with a velocity of 49m/s downward. how long did it take the ball to fall to the ground

A rigid tank internal energy of fluid 800kJ. Fluid loses 500kJ of heat and padle wheel does 100kJ of work. Find final internal energy in tank.

Which is the best example of the commercialization of modern sports? A. A school team plays a rival school at baseball. B. A local soccer club makes it to the regional finals. C. Millions of spectators watch the NFL Super Bowl. D.

What do you call a group of cats?

Suppose you have a system that involves manufacturing and selling a product. In the Universal System Model, output would include which of the following? Design of the product Manufacture of the product. The finished product.

You pull on a spring, which obeys Hooke's law, in two steps. In step 1, you extend it by distance xs. In step 2, you further extend it by the same distance xs.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N

Which force keeps you near earths surface?