A rock, thrown straight up, takes 4.2 seconds to reach its max height (g=9.8m/s) what was the initial velocity? what was its maximum height?

What force causes warm molten rock to move upward in the mantle? a. Convection c. Refraction b. Radiation d. Conduction

What does it mean if an experiment is replicable? Why is it important that experiments be replicated?

On the water simulation, what does the crest (peak) of the wave look like in the top view? what does the trough look like?

Identify three situations in which convection occurs.

In which section of nuclear fussion occur A. reactor vessel B. heat exchanger C. condenser D. cooling tower

An object starts from rest and falls freely for 40. meters near the surface of planet P. If the time of fall is 4.0 seconds, what is the magnitude of the acceleration due to gravity on planet P?

Consider two metallic rods mounted on insulated supports. One is neutral, another positively charged. The charged rod is brought close to the neutral one (no touching!

Which term identifies the dark smooth areas on the surface of the moon? craters terrae maria regolith

1. work is a transfer of 2. a small 20-killogram canoe is floating downriver at a speed of 2 m/s. what is the caanoes kinetic energy?

If you are asked to determine an objects speed, what information must you have? A: distance and period of time B: distance and direction C: period of time and direction D: distance and change in position