3. A student throws a calculator upward at 22 m/s. How far from the ground will the calculator be when it has half the speed it was thrown with? How much time did it take to reach this height?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.