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A block of mass m is attached to a string that is wrapped around the circumference of a wheel of radius R and moment of inertia I. The wheel rotates freely about its axis and the string wraps around its circumference without slipping. Initially the wheel rotates with an angular speed w causing the block to rise in with a linear speed v. To what height does the block rise before coming to rest. Give a symboLic answer.
The position of an object connected to a spring varies with time according to the expression x = (4.4 cm) sin(6.9?t). (a) Find the period of this motion.
In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped int..
Penny's eraser was accidentally dropped out of the window and falls into the street. The window is 9 m above the road. What is the speed of the eraser when it hits the floor
An F-18 jet fighter flies directly overhead at a height of 18000mat 5/3 the speed of sound. Make a diagram that adequately illustrates thesituation and shows the parameters used to calculate the angle ofthe shock wave.
A cork ball of mass 1.20 g is placed between two very large horizontal planes of charge. The bottom plane has a uniform charge density of +0.68 uC/m2, What is the charge on the ball
What is the power required to raise the load - Why are cars made with bumpers that can be pushed in during a crash?
An ideal gas at 14.5 °C and a pressure of 1.10 x 105Pa occupies a volume of 4.17 m3. what will be the pressure of the gas
a circular coil of wire consisting of 100 turns each of radius 8.0 cm carries a current of 0.40 a. what is the
A motor running at 1500 revs/min has on its shaft three pulleys, of radii 6, 10 and 25 cm, respectively. Find the linear velocity of the outside rim of each pulley
A soccer player kicks a rock horizontally off a 41.9 m high cliff into a pool of water. If the playerhears the sound of the splash 3.09 slater, what was the initial speed given to the rock? Assume the speed of sound in air to be 343 m/s.
A 73.6 kg weight-watcher wishes to climb a mountain to work off the equivalent of a large piece of chocolate cake rated at 514 (food) Calories. How high must the person climb
A scaffold of mass 43 kg and length 7.0 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the cable closer to the painter
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