Aball is released from the top of a hill. how fast is the ball going when it reaches the base of the hill? approximate g as 10 m/s2 and round the answer to the nearest tenth. h1= 2m h2=0.5m no other information is given.

Aforce of 9.00 newtons acts at an angle of 19.0 to the horizontal. what is its component in the horizontal direction?

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2