A 2.26 kg book is dropped from a height 1.5m what is its acceleration

A 63.0 kg astronaut is on a spacewalk when the tether line to the shuttle breaks. the astronaut is able to throw a spare 10.0 kg oxygen tank in a direction away from the shuttle with a speed of 12.0 m/s, propelling the astronaut back to the shuttle.

our canisters contain helium gas. If all the canisters had the same amount of particles, which canister would have the fastest moving particles?

What do you think a pedigree shows

Which planet has a dense carbon dioxide atmosphere and high surface temperatures?

a rock thrown horizontally at 20m/s from the top of a building 63m high. How far from the base of the building does the rock land?

StarsA. begin as protostars, which fire up when they collapse and become denser and hotter. B. create elements by splitting the nuclei of small atoms into the nuclei of larger atoms. C. have unlimited amounts of fuel and therefore exist indefinitely.

The "atomic weight" of an atom reflects the average number of A) protons. B) neutrons. C) electrons. D) protons + neutrons. E) protons + neutrons + electrons.

How fast would a 2-kilogram object need to move to have the same kinetic energy as a 4-kilogram object moving at 8 meters per second?

The frequency of the George Washington Bridge is 2.05 Hz. What is its period?

Is speed and average speed the same thing?