A sound wave travels at 340 meters per second. Determine how far from the source the wave has traveled after the 0.50 second.

Which of these statements about machines is false? a. Machines decrease the amount of work needed to do a job b. Machines decrease the force needed to get the work done, c. Machines increase the distance moved in doing the work d.

You push a sled of mass 15 kg across the snow with a force of 180 N for a distance of 2.5 m. There is no friction. if the sled started at rest. what is the velocity of the sled after you push it?

A researcher rolls some clay into a ball and shows it to Zian, then squishes the clay into a pancake. Zian understands that the amount of clay is the same in both.

A 2,300-kg truck is traveling down a highway at 32 m/s. What is the kinetic energy of the truck?

If there's nothing faster then light then how did the dark get there first and if the dark was always there then how was light created?!!

Compare an contrast protons and neutrons

Gases, as opposed to solids and liquids, do not have definite volumes. If we decrease the volume of a gas in a closed container the result is that we increase the gas pressure. The best explanation for this is that decreasing the volume ...

What is the frequency of a sound wave when the speed of sound is 345 m/s and it has a wavelength of 1.31 m?

Rotation of the lever OA is controlled by the motion of the contacting circular disk of radius r = 300 mm whose center is given a horizontal velocity v = 1.64 m/s.

An ideal solenoid of length L, N windings, and radius b (L is much longer than b). A current I is flowing through the wire windings.