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A block that has a mass of 0.06 kg and a block that has a mass of 2.19 kg are attached to the ends of a rope. A student holds the 2.19-kg block and lets the 0.06-kg block hang below it, then he lets go. What is the tension in the rope while the blocks are falling, before either hits the ground? Air resistance can be neglected.
Two particles of masses and () are located 10 meters apart. Where is the center of mass of the system located
A fixed 0.16 kilogram solid disk pulley with a radius of 0.065 meter is acted on by a net torque of 6.3 m•N. Evaluate what the angular acceleration of the pulley
One of the problems of in-air testing of nuclear weapons (or, even worse, the use of such weapons!) is the danger of radioactive fallout. What percent of the original level of is left after 56 years
a 2.9-kg cart is rolling along a frictionless horizontal track towards a 1.0-kg cart that is held initially at rest.
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 98 kg. The mass of the rock is 0.29 kg. Initially the wagon is rolling forward at a..
a 280 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. the ramp is inclined
A star similar to our sun radiates energy at the prodigious rate of 4.2 x 1026 W. At what rate does this star convert mass into energy
A hiker walks 3.50 km at an angle of 45.0 degrees north of west. After that the hiker walks 1.5 km south. What is the magnitude and direction of hiker's totally displacement.
Two long, parallel wires, each with the mass per unit length of 43 g/m, are supported in a horizontal plane by 6-cm long strings. Each wire carries the similar current, I, causing the wires to repel each other so that the angle, θ, between the sup..
An ideal gas has its pressure cut in half slowly, while being keptin a container with rigid walls. In the process 265KJ of heat isleft in the gas: How much work is done during the process
a 84.0 nF capacitor is charged to 12V, then disconnected from the power supply and connected in series with a coil that has L=0.042 H and negligible resistance. what is the magnitude of the current in the inductor
A 53.0-kg person jumps from rest from the top of a 10.0-m-high tower straight down into the water. Determine the magnitude of the average force that the water exerts on the diver
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