A shotgun grain weighing 20g is shot into a wooden board 10cm thick. The speed of the grain at the entrance to the wood is 400m/s and the exit 150m/s. Determine the change in grain kinetic energy​

State the right hand rule of the direction of magnetic field in a conductor carrying current

The earth remains in orbit around the sun due to the force of gravity. how does the force of gravity exerted by the sun on the earth compare to the force of gravity exerted by the earth on the sun?

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next