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A 50 kg man is standing at the Earth's surface.
(a) What is the approximate magnitude of the gravitational force on the man by the Earth. Give your answer in newtons. Get the mass and radius of the Earth from the inside back cover of your text. Remember, enter only the number; don't try to enter the units.
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(b) What is the approximate magnitude of the force of gravitation on the same man by the Sun. You may approximate the distance from the Sun to the man by the distance from the Sun to the Earth; get that distance, as well as the mass of the Sun, from the inside back cover of your book.
(c) What is the approximate magnitude of the force of gravitation on the same man by the Moon. You may approximate the distance from the Moon to the man by the distance from the Moon to the Earth; get that distance, as well as the mass of the Moon, from the inside back cover of your book.
The puck in the figure below has a mass of 0.280 kg. Its original distance from the center of rotation is 40.0 cm, and it moves with a speed of 75.0 cm/s. Determine the work done on the puck
A 3.00-kg block starts from rest at the top of a 35.0° incline and slides 2.00 m down the incline in 1.50 s. Find the acceleration of the block. Find the coefficient of kinetic friction between the block and the incline.
The distance between an object and its image formed by a diverging lens is 6.70 centimeter. Determine the object distance
A light plane attains airspeed of 500 km/h. The pilot sets out for a destination 820 km due north but discovers that the plane should be headed 20.0° east of due north to fly there directly. The plane arrives in 2.00 h.
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A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 5.00 g coins stacked over the 15.0 cm mark, the stick is found to balance at the 42.0cm mark. What is the mass of the meter stick
At a dock, a crane lifts a 1200 kg container 30 m, swings it out over the deck of a frieghter, How much work is done by the crane on the container
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