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A block of mass = 2.9 is attached to a string that is wrapped around the circumference of a wheel of radius = 8.3 . The wheel rotates freely about its axis and the string wraps around its circumference without slipping. Initially the wheel rotates with an angular speed , causing the block to rise with a linear speed = 0.43. Find the moment of inertia of the wheel if the block rises to a height of = 8.4 before momentarily coming to rest.
A uniform solid cylinder of mass M and radius R is at rest on a slab of mass m, which in turn rests on a horizontal, Find the angular acceleration of the cylinder in terms of F, M, R, and m
A catcher catches a 145 g baseball traveling horizontally at 38.0 m/s. How large an impulse does the ball give to the catcher
A projectile of mass m is fired from the surface of the earth at an angle a from the vertical, where a = 0.75 radians. Calculate the maximum height that the projectile will reach
An electric motor rotating a workshop grinding wheel at a rate of 8.20 101 rev/min is switched off. Through how many radians has the wheel turned during the interval found in (a)
In the last seconds of the championship basketball game, a 7 ft center's team is down by 2 points. He must make a 3 point shot to win the game. He is standing on the 3 point shot line.
At the instant the car begins to accelerate, a truck with a constant velocity of 21 m/s passes in the next lane. Explain how far will the car travel before it overtakes the truck?
You have a 0.421-kg sample of gas containing 1.99 moles. Calculate the rms, average, and most probable speeds of the gas\'s molecules
Helium gas with a volume of 2.55L , under a pressure of 1.26atm and at a temperature of 44.0?C, How many grams of helium are there? The molar mass of helium is 4.00g/mol
You are given a four-wheeled cart of mass 16 kg, where the distance between a wheel and its nearest neighbors is 1.3 m. Find the weight on the nearer wheels of the cart under this load
Consider a thick spherical shell with total charge Q, inner radius R(i), and outer raduis R(o). Within the shell, charge is not distributed uniformly: the volume charge density p(r) is proportional to r^-2.
A train is traveling down a straight track at 29 m/s when the engineer applies the brakes, resulting in an acceleration of 1.0 m/s2 as long as the train is in motion. How far does the train move during a 58-s time interval starting at the instant ..
If unpolarized light of intensity l0 passes through an ideal polarizer, what is the intensity of the emering light
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