What are the methods of heat transfer? check all that apply.

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?

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

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass