How many earth years does it take mars to orbit the sun

In which of the following units is acceleration expressed? a. Meters per second squared b. Foot-pounds c. Kilograms d. Newtons

What are 20 examples of energy transformation?

Your friend says the following to you: "The lungs are the main part of the respiratory system. You really don't need the rest of the other organs [in the respiratory system]." Prove this to be a false statement.

A physics student notices that 4.0 waves arrive at a beach every 20 seconds. The frequency of the wave is

An object's weight is equal to its buoyant force in water. What would you expect to happen when the object is placed in water? Explain your reasoning.

Why is it important for engineers to design bumper cars safely

What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?

Which statement describes how light behaves when it strikes a translucent material? A. Light is scattered. B. Light is transmitted. C. Light is reflected. D. Light is absorbed.

A certain gas is present in a 15.0 l cylinder at 2.0 atm pressure. if the pressure is increased to 4.0 atm the volume of the gas decreases to 7.5 l.

Choose all the answers that apply. To qualify as a planet, a celestial object must: have an irregular shape revolve around the sun orbit in a clear area have enough gravity to have a spherical shape have a satellite