What are the cracks between the plates of the lithosphere called

A spring has a force constant of 559.9 N/m. Find the potential energy stored in the spring when the spring is a) stretched 4.54 cm from equilibrium. Answer in units of J.

a 20000kg railroad car is rolling 6.00m/s when 7000kg olaf id gravel is suddenly dropped in. What's the cars speed after gravel is loaded?

Which value is defined as the difference between the potential energy of the products and the potential energy of the reactants during a chemical change?

What is the wavelength of an earthquake wave if it has a speed of 10 km/s and a frequency of 14 Hz? ___ km

Puck 1 (1 kg) travels with velocity 20 m/s to the right when it collides with puck 2 (1 kg) which is initially at rest. After the collision, puck 1 moves with a velocity of 5 m/s.

All of the following would be useful in trying to obtain procedural information to replicate an experiment previously published except for a lab journal used in the original experiment. a published scientific journal. a dictionary.

What happens if the polar jet stream shifts to bring air from the north farther south

What do we call seismic waves that are transmitted along the outside of earth?

A wave with a speed of 437 m/s has a frequency of 28 hertz. What is the length of the wave?

Which situation is contrary to Newton's first law of motion? An object at rest begins to move when an external force is applied. A moving object has a constant velocity under the influence of balanced forces.