a block suspended from a spring. The spring is stretch 0.5 m. If the spring constant is 500 N/m, what is the weight of the block?

What does the abbreviation DC stand for in physics? direct charge dark circuit direct current drop charge

A barometer is used to measure air pressure. true or false.

What are two ways to increase the density of an object? Decrease mass with the same volume or decrease the volume with the same mass. Add more mass with the same volume or increase the volume with the same mass.

A certain simple pendulum has a period on the earth of 2.00 s. part a what is its period on the surface of mars, where g=3.71m/s2?

A flywheel of mass M is rotating about a vertical axis with angular velocity ω0. A second flywheel of mass M/5 is not rotating and drops onto the first flywheel and sticks to it. Both flywheels have radius R.

F an electron fell to a lower orbit or energy level, energy would be A. created. B. emitted. C. absorbed. D. transferred.

Which is the correct order from the closest to the sun to the farthest away from the sun? A. terrestrial planets, asteroid belt, gas planets, Kuiper belt B. gas planets, asteroid belt, terrestrial planets, Kuiper belt C.

Ethylene (C2H4) reacts with oxygen gas to produce carbon dioxide and water. 45.0 grams of ethylene reacts, how many grams of carbon dioxide gas will be produced?

What causes ice to melt and water to boil

A block of mass 3.5 kg slides down a frictionless inclined plane of length 6.4 m that makes an angle of 30 degrees with the horizontal. if the block is released from rest at the top of the incline, what is its speed at the bottom