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A mountain climber stands at the top of a 50m cliff hanging overa calm pool of water. The climber throws a two stones vertically1.0 s apart and observes that they cause a single splash when theyhit the water. The first stone had an initial velocity of+2m/s.
a) How long after release of the first stone will the two stoneshit the water?
b) What is the initial velocity of the second stone when it isthrown?
c) What will the velocity of each stone be at the instant bothstones hit the water?
A bicycle wheel of radius r = 0.5 m starts from rest and rolls 150 m without slipping in 30 s. Calculate the number of radians through which it turns
A positive charge of 1.100? C is located in a uniform field of 9.00×104 N/C. How close are the two charges
Water is pumped at 250 m^3/min from a lake into a tank 65.0 m above the lake. What power (in kW) must be delivered by the pump
A Ball Rolling Uphill. A bowling ball rolls without slippingup a ramp that slopes upward at an angle beta to the horizontal. What is the acceleration of the center of mass of the ball
calculate the average acceleration in m/s^2 (meter per second square), using a coordinate system with the X axis in the direction of the car's original motion and the Y axis toward the side of the road to which the car skids.
a student slides her 80.0-kg desk across the level floor of her dormitory room a distance 2.00 m at constant speed. if
A prospector finds a solid rock composed of granite (? = 2650 kg/m3) and gold. The volume of the rock is 2.85 multiplied by 10-4 m3, What mass of gold is contained in the rock
A 0.16kg baseball is hit into the air. When its 6.68 meters above the ground traveling 17.2 m/s at a 55 degree angle. What is its mechanical energy?
A coin is located 29.6 cm to the left of a converging lens (f = 21.6 cm). A second, identical lens is placed to the right of the first lens, Find the separation between the lenses
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the acceleration of the yellow car
A flywheel having constant angular acceleration requires 4.30 to rotate through 166. Find the angular acceleration of the flywheel
A steel wire having a mass of 3.50 g and a length of 1.00 m is fixed at both ends and has a tension of 1010 N. Find the frequency of the third harmonic
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