A a big bad Viewpoint tennis player strikes a little cute fuzzy tennis ball. The ball leaves the racket horizontally at 28.4 m/s. The ball hits the level ground a horizontal distance 20.0 m from start. How far above the ground is the fuzzy little tennis ball when it starts?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.

Two horses begin at rest. after a few seconds, horse a is traveling with a velocity of 10 m/s west, while horse b is traveling with a velocity of 13 m/s west. which horse had a greater acceleration? a. horse a because its change in velocity was greater than horse b's in the same time. b. horse b because its change in velocity was greater than horse a's in the same time. c. horse b because its change in velocity was the same as horse a's, but it took less time. d. both horses had the same acceleration.