What has no potential energy?

A dog has a speed of 7 m/s and a mass of 45 kg. What is the dog's kinetic energy?

A jet travels 300 km in 15 minutes. did it break the sound barrier?

Can someone explain what streamlining is in a simple way with an example.

When you drop a stone into a pool water waves spread out from where the stone landed. why answers?

What would happen if Earth's weight was increased

A 77-kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.2 m/s in 0.87 s. The elevator travels with this constant speed for 5.0 s, undergoes a uniform negative acceleration for 1.

How do you convert 234 cm into meters?

In solar thermal electric generation, the sun's energy is concentrated by ___ to heat the fluid in a pipe that is used to generate electricity.

How much helium gas would it take to fill a gas balloon with a volume of 11:0 cm3 when the temperature is 41.0◦c and the atmospheric pressure is 790 mm hg? answer in units of mol?

What is the wavelength of an earthquake wave if it has a speed of 7km/s and a frequency of 8hz