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A 95.0-kg climber is scaling the vertical wall of a mountain. His safety rope is made of a material that, when stretched, behaves like a spring with a spring constant of 1.68 x 103 N/m. He accidentally slips and falls freely for 0.570 m before the rope runs out of slack. How much is the rope stretched when it breaks his fall and momentarily brings him to rest?
In a lightning bolt, a large amount of charge flows during a time of 2.9 x 10-3 s. Assume that the bolt can be represented as a long, How much charged has flowed during the lightning bolt?
a cylinder piston initially contains 5x10^-3 m^3 of helium gas, at a pressure of 1atm and witih a temperature of 50 degrees celcius. how many moles of helium is contained by the cylinder piston
What is the average induced emf in the coil in mV. If he is crossing a river where the current is 1.60 km/h, in what direction should his boat be headed if he wants to reach the point directly opposite his starting point.
How much ice was in bucket before the copper block.
What is the relationship between the light emitted by an atom and the energies of the electrons in the atom?
A skier moving at 4.50 m/s encounters a long, rough horizontal patch of snow having coefficient of kinetic friction 0.230 with her skis. How far does she travel on this patch before stopping.
One end of a copper rod is in thermal contact with a hot reservoir at 995 K, Find the entropy change of cooler reservoir
An athlete competing in the hammer throw swings a 4.0 kg hammer on a chain in a horizontal circle with a 5.4 m diameter. What is the tension in the chain attached to the hammer at that speed
Calculate the energy of a photon required to excite a hydrogen atom from the n = 5 state to the n = 6 state
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. calculate the heat lost by each body from the vaporization of sweat
A 3.0kg block rests on a tabletop. A 6.00 g bullet moving horizontally with a speed of 180 m/s is shot into the block and sticks in it. Find the speed of block just after full impact
What will be the vertical position of the boat. In the frame of reference of the truck, at what angle to the vertical does the boy throw can.
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