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A cyclist pedals a bicycle. The driving wheel accelerates from the rest to an angular speed of 6.4 rev/s in 3.8 revolutions.
A) What is the angular acceleration of the wheel?
B) How long does it take?
C) If the radius of the wheel is r=0.68 m, what is the wheel's final tangential velocity?
q. a small remote-control car with a mass of 1.7 moves at a constant speed of 12.0 in a vertical circle inside a
FA 2.0%u03BCC charge and a 2.9%u03BCC charge are 11.0cm apart. Find a point where the electric field is zero
q1. all through its evolution a star of 1 solar mass the mass of our sun expands to 3.33 times its original radius.
Must show all work!!! A block of mass m =.5kg is pushed against a wall with a force p = 4n orientated at an angle of 50 degrees. find the coefficient of static friction between the block and the wall
A golf ball with a coefficient of restitution of 0.78 is tossed horizontally at 0.9 m/s from a height 1.5 m above the level ground. What is the maximum height of the first bounce of the golf ball
Two weights are connected by a very light flexible cord that passes over a 30 frictionless pulley of radius 0.100. The pulley is a solid uniform disk and is supported by a hook connected to the ceiling. One weight is 75N and the other is 125 N.
parallel plates that have an opposite charge have a distance of 5.33 mm between them, and a 600V potential difference. What is the magnitude of the electric field strength
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A duck has a mass of 2.4 kg. As the duck paddles, a force of 0.06 N acts on it in a direction due east. Find magnitude and direction south of east
If you are given a velocity versus time graph, and v initial is given, how do you calculate instantaneous acceleration
Estimate the particle density necessary for bose-Einstein condensation of a hydrogen gas to occur at 100 nK. find the ratio of the thermal wavelength to the atom spacing
A weather emergency siren is mounted on a tower, 177 meters above the ground. On one hand, you would like to make the siren very loud so that it will warn as many people as possible. what is the maximum power that the siren can put out
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