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A diver leaves a 3-m board on a trajectory that takes her 2.2m above the board and then into the water a horizontal distance of 2.5m from the end of the board.
At what speed did she leave the board?What was the angle?
There are two forces on the 2.13 kg box in the overhead view of the figure but only one is shown. For F1 = 26.7 N, a = 14.5 m/s2, and ? = 31.1°, find the second force in unit-vector notation
A piece of rock weighs 301 N in air and has an apparent weight of 202 N when suspended under water. What are the volume and density of the rock
Illustrate what tangential speed v must the bob have so that it moves in a horizontal circle with the string making an angle 19.0^circ with the vertical?
The lenses of a particular set of binoculars have a coating with index of refraction n = 1.38, and the glass itself has n = 1.52. what is the minimum thickness of the coating
the wire unwinds without stretching or slipping, causing the pulley to rotate. Explain how far must the stone fall so that the pulley has 2.70 J of kinetic energy?
In a local bar, a customer slides an empty beer mug down the counter for a refill, With what velocity did the mug leave the counter
In all cases the distance d between the charges is the same. The magnitude of the charges is |q|= 1.3 µC, and the distance between them is d = 2.9 mm. Determine the magnitude of the net force on charge 2 for each of the three drawings.
A 1.02mF capacitor is connected in series with an AC source with amplitude 50V and angular frequecy 40 rad/s. determine the amplitude of the current through this circuit
A horizontal bar 2.361 m long with a mass of 91.27 kg is hinged to a wall. What is the angle between the cable and the bar
A 12-inch cast iron water pipe that has been in service for 50 years is found to have extensive corrosion inside. How these conditions would affect friction losses in the pipe describe it.
An olympic skier moving at 20.0 m/s down a 30.0 Degrees slope encounters a region of wet snow and slides 145 m before coming to a halt
A tennis ball of mass m = 0.078kg and speedv = 29m/s strikes a wall at a 45? angle and rebounds with the same speed at 45?
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