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The figure below shows the drive train of a bicycle that has wheels 67.3 cm in diameter and pedal cranks 17.5 cm long. The cyclist pedals at a steady cadence of 75.0 rev/min. The chain engages with a front sprocket 15.2 cm in diameter and a rear sprocket 7.00 cm in diameter.
(a) Calculate the speed of a link of the chain relative to the bicycle frame.
(b) Calculate the angular speed of the bicycle wheels.
(c) Calculate the speed of the bicycle relative to the road.
A football player carrying the ball runs straight ahead at the line of scrimmage and directly into a wall of defensive linemen. Find the magnitude and direction of his average acceleration
A bullet is fired vertically into a 1.3kg block of wood at rest directly above it. If the bullet has a mass of 29g and a speed of 470m/s, how high will the block rise after bullet becomes embedded in it.
A tennis ball is hit with a vertical speed of 30 m/s and a horizontal speed of 25 m/s. How long will the ball remain in the air? How far will it travel horizontally during this time?
What average force did the block exert on the bullet if it took 0.07 s to stop the bullet?
Two infinite, parallel, uniformly charged plates with charge densities +sigma and +3sigma are separated by a distance L, what is the potential of the plate on the left
A transparent cylinder of radius R = 2.00 m has a mirrored surface on its right half, Determine the index of refraction of the material
A thin hemispherical shell of radius R has a uniform surface charge, Find the electric field at the center of the base of the hemispherical shell
The volume flow rate of the water supplied by a well is 1.53 x10-4 m3/s. The well is 31.8 m deep. Find the pressure difference the pump must maintain
A model rocket is launched straight upward with the initial speed of 70m/s. It accelerates with a constant upward acceleration of 3 m/s2 until its engines stop at an altitude of 180 m.
An x-ray tube is operated at 45000 V. Find the minimum wavelength of the radiation emitted by this tube
A basketball of mass 270 g and radius 17 cm rolls with an initial speed of 2.5 m/s. What distance along the ramp will the ball travel before it comes to a stop
A constant torque of 260 N-m acts on a flywheel. If the flywheel makes 25 complete revolutions, how much work has been done by the torque on the flywheel
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