A doorknob is normally placed near the edge of the door opposite the hinges. This is because

When angular momentum is conserved, rotational speed

A moving car possesses

The rule of scientific notation is to write all exponents with a base of ____.

The energy use in solar cookers, solar distillation plants, solar power plants is known as

An airplane increases its speed at the average rate of 15 m/s2. How much time does it take to increase its speed from 100 m/s to 160 m/s?

When measuring the volume of soda in a large bottle, what unit of measure should be used?

How many significant figures are there in 0.0054 grams?

A train traveled a distance of 90 kilometers in 2 hours. It would be most correct to say that its ____ was 45 km/hr.

Kinetic energy is energy of