Compare the distance-time graph for a fast-moving object with the distance time graph of a slower moving object.

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

What are the similarities & differences between a thermistor and a light dependent resistor in physics?