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A comet moves about the Sun in an elliptical orbit, with its closest approach to the Sun being about 0.680 AU and its greatest distance from the sun being 38.5 AU (1 AU = the Earth-Sun distance). The angular momentum of the comet about the Sun is constant, and the gravitational force exerted by the Sun has zero moment arm. The comet's speed at closest approach is 54.0 km/s. What is its speed when it is farthest from the Sun?
km/s
Explain the valve minor loss coefficient and how you would go about determining K.
The angle of elevation theta is increased slowly from the horizontal. Illustrate at what value of theta does the block begin to slide (in degrees)?
A baseball is thrown at an angle of 27 degrees relative to the ground at a speed of 20.9m/s. The ball is caught 36.0231m from the thrower. The acceleration due to gravity is 9.81m/s square. Explain how long is it in the air ?
Find the radius of the largest water drop
Find the initial velocity and how long the ball was in the air before it hit the ground
A ship's mast reaches to a height of 15 meters above the surface of a 10-meter-deep lake. how long will the shadow of the mast
During a drive by golfer Tiger Woods, the angular velocity of his club is zero at the top of the backswing and the 1719 degree/second at the bottom of the downswing just before impact with the ball
How far above the aim is the point
Calculate the probability of finding the electron in the ground state of hydrogen at less than one Bohr radius from the nucleus
The electric field midway between two equal but opposite point charges is 745 N/C, What is the magnitude of the charge on each
A 30 N block is pulled along a horizontal surface by a 10 N force parallel to the surface. evaluate the coeffient of kinetic friction
q1. a 60 m ladder leans against a wall. what is the minimum force of friction essential to prevent the ladder from
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