Explain Ohms Law

Can you explain the different ways heat can travel?

Write down the equation which links speed, distance and time

A bomb of mass 34kg, at rest is detonated. The explosion splits the bomb into two pieces, one of mass 13kg, which is thrown to the left at a velocity of 28 m/s. What is the velocity of the second piece?

Explain why a train travelling in a circle must be accelerating, even if its speed is not changing.