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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.
Calculate the mass of the sun from the radius of the earth's orbit (1.50×1011 m), the earth's period in its orbit, and the gravitational constant G, What is the density of the sun
An electron with a speed of 6.00*10^6 m/s collides with an atom The collision excites the atom from its ground state (0eV( to a state with an energy of 3.70 eV. What is the speed of the electron after the collision?
A vertical containery with base area measuring 14.0 cm by 17.0 cm is being filled with identical pieces of candy, at what rate does the mass of the candies in the container increase
The diagram below depicts a cross section of coaxial conductor with an inner wire of diameter di and an outer conducting sheath of inside diameter do, and some material placed in the space between the two wires.
A steel band exerts a horizontal force of 76N on a tooth at point B. What is the torque on the root of the tooth about point A.
An electromagnetic wave of wavelength 405 is traveling in vacuum in the direction. The electric field has amplitude 2.20×10?3, What is the frequency of this wave
A 2 kg book is lying on a 0.75 m high table. You pick it up and place it on a bookshelf 2.25 m above the floor. How much work does your hand do on the book
In a hydaulic lift the radius of the pistons are 1.75cm and 17.5cm. A car weighing 19.6kN is to be lifted by the force of the large piston. how far is the car lifted
A person scuffing her feet on a wool rug on a dry day accumulates a net charge of -89\mu C. How many excess electrons does she get
There is a charge of -3e locked down at a point on a table. 15 meters away, a charge of 3e is released from a scientists hand. What is the potential energy of the charge just as it is released from the scientists hand
A "110-watt" lightbulb uses an average power of 110 W whenconnected to an rms voltage of 120 V. What is the resistance of the lightbulb?
A wave has an angular frequency of 190 rad/s and a wavelength of 2.6 m. Calculate (a) the angular wave number and (b) the speed of the wave.
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