Victoria has a crate of vegetables that weighs 100 newtons. She exerts a force of 100 newtons to lift the crate with a pulley. What's the mechanical advantage in this situation?

How can water be used for energy? by using solar panels. by having more windows in your home. by using sunlight passively and actively. by placing dams in tidal areas.

Given that the period of the Moon's orbit about the Earth is 27.32 days and the nearly constant distance between the center of the Earth and the center of the Moon is 3.84 108 m, use T2 = 4 π2 GME a3 to calculate the mass of the Earth.

A car weighing 10,000 N is moving around a horizontal curve whose radius is 100 m. What is the minimum coefficient of static friction, between the tires and road surface, required to keep the car from sliding?

Who discovered the law of conservation of energy?

When nuclear reactor design and construction first begin optimism for the technology was very high. However licensing of new nuclear reactors in the United States effectively stopped about the 1970s mostly due to the public demand explain what

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