gravity increases proportionally with mass and it decreases as the square of the distance between two masses true false

A spring has a constant of 20 n/m. how far will it extend when the following forces are applied. (assume the spring does not pass its elastic limit) a) 10 N b) 50 N c) 0.2 KN

A body having uniform velocity has zero acceleration. why?

How long will it take a car to go from a complete stop to 44 km/h if they are accelerating at 5 kilometers per hour squared

A perfectly still 0.01 kg marble is hit with a force of 50 N by a pencil. According to Newton's third law, which describes the force the marble exerts on the pencil? A. The marble exerts a force of 0.05 N on the pencil. B.

If a box weighs 20 newtons, will a force of 20 newtons push it?

The catcher catches a. 5 kg baseball traveling at 40 m/s and the glove is pushed back 10 cm. What average force did the catcher put on the ball?

Describe the climate and name the climate zone at alaska; portland, oregon; and key west, florida.

If a river is 20 feet wide in nature and needs to be scaled to one-tenth its real size, how wide should it be in a model?

A sample has a density of 30 g/ml. there is 60 ml of this substance. how much does it weigh?

Forgetting takes place only in short-term memory.