Describe the process of nuclear fission. How does it work and when is it used? What is meant by a chain reaction, and how do you control it?

Select ALL that apply A star is held together by: gravity nuclear fission nuclear fusion acceleration

A 5.4 kg object has a velocity of 5 m/s. It collides with a 1.7 kg object which is not moving before the collision. After the collision, the first object has a velocity of 2m/s.

A 5.90-g lead bullet traveling at 410 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in

Read the following paragraph from the section "No Time To Get To Safety." Many of the victims did not have enough time to climb on top of their roofs, or run to higher ground.

A ball of mass 1 kg bounces vertically off the floor. Just before hitting the floor its velocity is 10 m/s downward. Just after hitting the floor its velocity is 8 m/s upward.

Which ion has a positive charge? valence electron covalent ion cation anion

Which is located farther west the central valley or the coast ranges?

Question: If the object is falling for 3 seconds, predict the distance the object falls. If a small amount of air resistance is present, predict what this would do to the distance the object falls.

Burning coal produces which type of gas? carbon dioxide oxygen nitrogen hydrogen

A blender uses 1500 joules of energy in 5 seconds. What is the power rating of the blender