What is the size of haystack rock?

When fossil are burned, their chemical potential energy is converted into?

Name two devices that use electromagnets. explain your purpose

How long would it take for a car to travel 200 km if it has an average speed of 55 km/hr?

1b. Why is Newton's first law of motion sometimes called the law of inertia? 1c. Use what you know about inertia to explain why you feel pressed back into the seat of a car when it accelerates. 2a. Newton's second law of motion in your own words. 2b.

Light is an electromagnetic wave and travels at a speed of 3.00 * 108 m/s. the human eye is most sensitive to yellow-green light, which has a wavelength of 5.49 * 10-7 m. what is the frequency of this light?

write a paragraph that explains the difference between work in the everyday sense and the scientific definition of work

An ice skater spins with her arms outstretched at 1 revolution per second. She pulls her arms in toward her body. Does her angular momentum change? Ignore friction with the ice.

Particle of the nucleus that has no electrical charge

4. A racing car has a uniform acceleration of 4 m s - '2. What distance will it cover in 10 s after start?

What does saturns core look like?