How much energy did it take to bring you from first floor to second floor

An object is dropped from a height of 100m, how long it it in the air

The distriict record holding sprinter stars in the blocks and accelerates to 10/s in 20s what was the acceleration of the sprinter?

How do vibration produce sound?

How popsicles are made?

What is the force of a 500kg car that is accelerating at 20m / sex2?

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

What is the wavelength of an earthquake wave if it has a speed of 5 km/s and a frequency of 10 Hz?