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A galaxy located at a distance D of 1 million light years away has an angular size A= 5 degree. What is the approximate diameter of this galaxy? (use d = 2 p A D / 360).
A 2.00 kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 10.0kg cylindrical pulley shown in the figure below. Find the acceleration of the stone
Two blocks of mass m and 75 kg are connected via a light cord over a massless, frictionless pulley as shown in the attached figure. If the 75 kg block starts 2.0 m above the floor and takes 3.0 s to reach the floor when released from rest, what..
This question requires two answers. A hollow metal sphere carries a charge of 5.0 μC. How much charge is on the larger sphere
You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.5m above the ground, Use the work-energy theorem to find its maximum height
a car starts at rest. it then accelerates at a rate of 1.3 ms east for 8.2 seconds. if itcontinues as this new velocity
A trunk of mass m = 1.800 kg is pushed a distance d = 185 cm up an incline with an angle of inclination theta = 25.0 ° by a constant horizontal force P = 300. N, Calculate the work done on the trunk by the frictional force
How fast must the car be travelling just as it leaves the cliff in order to clear the river and land safely on the opposite side.
A water slide launches a child horizontally above a swimming pool. How far from the launch point does the child land in the water
Every day our Earth receives 1.55×1022 J energy from the Sun. If we were able to use 1.05 percent of this energy to accelerate spaceships, how many missions would be possible in one year
A horizontal merry-go-round has a mass of 1000 kg, and is a solid disk of radius 2.00 m. It is started from rest by a constant horizontal force of 50.0 N applied tangentially to the edge of the disk.
A 20 kg satellite has a circular orbit with a period of 2.4 h and a radius of 8.0 Ã- 106 m around a planet of unknown mass. what is the radius of the planet
An outfielder throws a baseball to his catcher in an attempt to throw out a runner at home plate. The ball bounces once before reaching the catcher.
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