Acart pulled by a force of 250n at an angle of 35 degrees above the horizontal. the cart accelerates at 1.4 m/s^2. the mass of the cart, to the nearest whole number, is?

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

The softest and hardest minerals are: softest hardest

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?