When does radioactive decay occur?

A. when an atom gains electrons

B. when neutrons accumulate in the nucleus

C. when an atom loses electrons

D. when the nucleus decays

88 kg fullback moving east with a speed of 5.0 m/s is tackled by a 97 kg opponent running west at 3.0 m/s, and the collision is perfectly inelastic. What is the speed of the players just after the tackle? A) 149 m/s B) 23.1 m/s C) 7.31 m/s D) 0.

A 16-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 24 n. starting from rest, the sled attains a speed of 2.0 m/s in 8.0 m.

In electrical work, silver is used as a (n)

Two boys push on a box. They each push to the left with a force of 50 N. At the same time, a third boy pushes on the box, to the right, using a force of 50 N. What is the net force on the box?

A train travels 81 kilometers in 3 hours, and then 63 kilometers in 4 hours. What is its average speed?

A blank tells you what the different symbols and lines represent on a map

How well would a piece of hot metal heat the cool water?

Explain the difference between work and power.

What happened if a stranger come to you what will you do

Which internal heat source still generates heat within the terrestrial worlds today?