Our observations always qualitative

A water drop of mass 20g falls to the ground with a velocity of 8m/s from a height of 20m. what is the air resistance force acting on the water drop?

The energy of microwaves is less than the energy of ultraviolet light. Which comparison of the energies of electromagnetic waves is correct? A. Gamma rays have higher energy than microwaves because gamma rays have shorter wavelength. B.

the law of conversation of energy and describe the energy transformations that occur as you coast down a long hill on a bicycle and then apply the brakes to make the bike stop at the bottom.

Why is the unit of velocity called derived unit?

Mark has brown hair. His wife, Maggie, also has brown hair. Mark and Maggie have four children. Three children have brown hair, and one child has blonde hair. What is the most likely explanation for this?

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.