Compared to some original speed, how much work must the brakes of a car supply to stop a car moving four times as fast? How will the stopping distance compare?

The ends of a magnet where the force is strongest are magnetic

At launch, a rocket ship weighs 4.5 million pounds. When it is launched from rest, it takes 8.00 ss to reach 155 km/h; at the end of the first 1.00 min, its speed is 1550 km/h. a.

Big Bee has a mass of 5 kg and hits a newly cleaned windshield accelerating at a rate of 2 m/s2. Little Bee has a mass of 3 kg and is accelerating at a rate of 4 m/s2. Which hits the windshield with a greater force? (Show your work below as proof.)

Which is the best analogy of a wave? a. A wave is like building a ramp. b. A wave is like shaking a hand. c. A wave is like water rippling in a pond. d. A wave is like knocking down a building.

The nucleus of any atom requires a strong force to hold it together. This strong force is required because A) the nucleus of any atom is so small. B) protons and neutrons repel each other. C) positive protons in the nucleus repel each other.

the color of the sun appears to be orange or yellow when looking from the earth but it really is red. true or false

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? 1 - positive 2 - negative 3 - zore

Which object has the most gravitational potential energy? A. an 8 kg book at a height of 3m B. an 5 kg book at a height of 3 m C. A 5 kg book at a height of 2 m D. a book at a height of 2 m

A moving object has a kinetic energy of 150 j and a momentum with a magnitude of 30.0 kg•m/s. determine the mass and speed of the object

How does changing depth affect water pressure