What system will break the chewed food down to form your human cell can use

Momentum can be defined as "mass inmotion." All objects have mass; so if anobject is moving, then it has momentum - ithas its mass in motion.

What is the source of radioactivity for uranium?

Is it using energy when someone stands against a locker that doesn't move

What is the pressure exerted by a boy weighing 80kg on the ground when he stands on his feet whose area is 200cm2? A. 80 pa B. 1600 pa C. 40,000 pa D. 400 pa

How to find friction force given mass and acceleration?

When a fork is placed in a hot piece of lasagna, thermal energy is transferred up the fork by ...

Levi observed properties of four different waves and recorded observations about each one in his chart.

A rocket is shot straight up from the earth, with a net acceleration (acceleration by the rocket engine minus gravitational pullback) of during the initial stage of flight until the engine cut out at sec.

Which moon has a thick atmosphere made mostly of nitrogen?

J. J Thompson proposed that atoms were made up of positively charged particles with electrons scattered into them. How did he reach this conclusion?