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The drive train of a bicycle includes wheels 67.3 cm indiameter and pedal cranks 17.5 cm long. The cyclist pedals at asteady angular rate of 76.0 rev/min. The chain engages with a frontsprocket 15.2 cm in diameter and a rear sprocket 7.00 cm indiameter.
(a) Calculate the speed of a link of the chain relative to thebicycle frame.
(b) Calculate the angular speed of the bicycle wheels.
(c) Calculate the speed of the bicycle relative to the road.
The yellow light from a helium discharge tube has a wavelength of 587.5 nm. Calculate the number of lines per centimeter on the grating
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 12cm . You take the balloon in an airplane, where the pressure is 0.90 atm. If the temperature is unchanged, what's the balloon's new radius?..
The magnitude of the acceleration due to gravity
Three sheets of plastic have unknown indices of refraction. Sheet 1 is placed on top of sheet 2, and a laser beam is directed onto the sheets from above, what is the expected angle of refraction in sheet 3
As a baseball is being caught, its speed goes from 36 to 0 m/s in about 0.009 s. Its mass is 0.145 kg. What is the size of the force acting on it
If you were to build a pipe organ with open-tube pipes spanning the range of human hearing (20 Hz to 20 kHz), what would be the range of the lengths of pipes required
What is the Bens kinetic energy
A railroad car of mass 2.3 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, compute the speed of the three coupled cars after the collision
A uniform shaft, fixed at one end & free at other, is twisted so that each cross - section rotates through an angle proportional to the distance from the fixed end. If the shaft is released from rest in this position, determine the s
Your friend's Frisbee has become stuck 19m above the ground in a tree. You want to dislodge the Frisbee by throwing a rock at it. If you release the rock 1.7m above the ground, with what minimum speed must you throw it
A 0.500 kg solid mass is totally submerged in water while suspended from a spring balance. Calculate the volume of the solid mass
A binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them. This means that the masses of two stars are equal. Suppose the orbital speed of each star is 285 km/s and the orbital period of each..
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