What force would be required to accelerate a 1.100 kg car to 0.5 m/s?

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?

Matter that emits no light at any wavelength is called

If the area of a square has increased by a factor of 16, by how much has each side increased?