A 40 kg boy jumps off the side of the pool. when he hits the water, he is traveling 3 m/s. how much kinetic energy does he have right before he hits the water

Vector A has components ax=9.0m, ay=12.0m, vector b has components bx=16.0m by=12.0 the resultants of vector a and vector b is R=A+B. The magnitude of vector a is?

How can the subatomic parts of an atom be used identify it?

When discussing how charges interact, we can say that A. like charges are attracted. B. negative charges attract negative charges. C. positive charges attract positive charges. D. unlike charges are attracted.

The principle that explains the differential scattering of shorter wavelength radiation and accounts for the earth's blue sky is

What is an advantage of using wind for producing electricity instead of coal? A) a lot of energy is produced by wind compared to coal B) obtaining wind does not harm the environment, but obtaining coal does C) using wind is less expensive than using

If a forklift raises a 76-kg load a distance of 2.5 m, about how much work has it done?

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?