What's the momentum (in kg-m/s) of a cannonball with a mass of 21 moving with a velocity of 25 m/s?

What is a hypothesis answer sentence for a lemon battery experiment

What does control mean in science

How does the polar jet stream affect temperature and precipitation in North America?

a train traveling at 30m/s comes to a complete stop in 20 sec. how far did the train go during the deceleration

Convert the acceleration of a free falling body 9.8 m/s^2 to ft/s^2

How is ecology diffrent from earth science

Which theory was first proposed by Albert Einstein? A. the theory of special relativity B. the theory of universal gravitation C. the theory of inertia D. the theory of radioactivity ... the answer is A i just found out

For each of the following, describe the relationship as directly or inversely proportional: a) wavelength vs. frequency b) wavelength vs. energy c) frequency vs. energy ... ?

Can hand sanitizer be used as rubbing alcohol

Two objects experience a 12 N electrical force between them. What force will the objects experience if the distance between them is doubled?