A car travels 20 km west and then 20 km south. what is the magnitude of its displacement vector

A 5.3 * 1012 kg satellite is 1,800 m from another satellite that has a mass of 3.5 * 108 kg. what is the gravitational force between the satellites?

As the wavelength decreases, the frequency increases and energy decreases. decreases and energy increases. increases and energy increases. decreases and energy decreases.

List three sources of information scientists use to learn about ancient climates

Two identical strings, A and B, have nearly the same tension. When they both vibrate in their fundamental resonant modes, there is a beat of 2 Hz. When string A is tightened slightly, to increase the tension, the beat frequency becomes 5 Hz.

To get gravitational potential energy do you need to convert kg to g

A large body of air hats has similar properties of a temperature and moisture is a

An ice rink is 200 feet long and 85 feet wide. The four corners of the rink are rounded to a radius of 24 feet. What is the surface area of the rink? Round the answer to the nearest square foot.

Which statement is correct about gasoline when it is burned? Heat energy is created by the gasoline. The total energy of the gasoline decreases. Chemical energy in the gasoline is destroyed. Chemical energy is transformed into heat energy.

The tilt of the Earth's axis of rotation changes over a period of 41,000 years. Which of these statements best predicts a long term effect of the changes in the tilt of the Earth's axis of rotation? a. The Earth's climate would change. b.

What do keratinized cells form?