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A shotputter throws the shot with an initial speed of 15.0m/s at a 45.0 angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.05m above the ground.
Two ice skaters, with masses of 50.0 kg and 85.0 kg, are at the center of a 60.0 m-diameter circular rink. how long does the lighter skater take to reach the edge
A golfer, standing on a fairway, hits a shot to a green that is elevated 6.91 m above where she is standing. find the time that the ball is in the air before it hits the green
a boat has a mass of 6020 kg. its engines generate a drive force of 3350 n due west while the wind exerts a force of
Indiana Jones crosses between two rock cliffs by slowly going hand over hand along a rope stretched between two cliffs. What is the smallest value the angle THETA can have
An 8-kg ball hanging from the ceiling by a light wire 135cm long is struck in an elastic collision by a 2 kg ball moving horizontally at 5.00 m/s just before the collision. Find the tension in the wire just after collision.
The 40 kg wheel of an airplane flying at 248 m/s at an altitude of 7400 m falls off during a flight. If the wheel hits the ground at 377 m/s, how much work was done on the wheel by air resistance
If a man is capable of lifting a 149 lb stone on land, how heavy a stone could he lift under water? The specific gravity of the stone is 2.45
A fully loaded, slow-moving freight elevator has a cab with a total mass of 1100 kg, which is required to travel upward 49 m in 3.9 min, starting and ending at rest. The elevator's counterweight has a mass of only 830 kg, so the elevator motor must h..
In an eclipsing spectroscopic binary system, the maximum radial velocities for the two components are 20 and 5 km/s. The orbit is circular, and the orbital period is 5 years. It takes .3 days from the start of the eclipse to the main minimum, whic..
A playground merry-go-round of radius R = 2.20 m has a moment of inertia I = 235 kg · m2, What is the new angular speed of the merry-go-round
Consider a particle of mass m moving in a vertical x-y plane along a curve y=acos(2xπ/λ). free fall acceleration is g. First consider two coordinates x and y:
The magnitude of the force the sun exerts on Uranus is 1.41X10^21 newtons. Explain how it is possible for the sun to exert a greater forceo n Uranus then Neptune exerts on Uranus. A 2.0 kg object is falling freely near Earth's surface. What is the ..
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