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Two identical wheels are moving on horizontal surfaces. The center of mass of each has the same linear speed. However, one wheel is rolling, while the other is sliding on a frictionless surface without rolling. Each wheel then encounters an incline plane. One continues to roll up the incline, while the other continues to slide up. Eventually, they come to a momentary halt, because the gravitational force slows them down. Each wheel is a disk of mass 2.0 kg. On the horizontal surfaces the center of mass of each wheel moves with a linear speed of 6.0 m/s.
(a) What is the total kinetic energy of each wheel?
(b) determine the maximum height reached by each wheel as it moves up the incline.
A 5.00-nF capacitor charged to 60.0 V and a 7.00-nF capacitor charged to 40.0 V are connected with the negative plate of each connected to the negative plate of the other. What is the final charge on the 7.00-nF capacitor? Would these capacitors be c..
Assume that an inexpensive watch runs 0.004% slower than a "perfect watch" (viz., a "time standard") that neither loses nor gains time, what would the perfect watch measure for this time interval
A force in the negative direction of an x axis is applied for 22 ms to a 0.53kg ball initially moving at 15 m/s in the positive direction of the axis. What is theaverage magnitude of the force on the ball
Assume we have an infinitely long wire carrying a current of 4.0 A. It is bent into an L-shape extending into positive infinities along the x- and y- axes. Find out the magnitude of the magnetic field at the point P with coordinates (0.2 m, 0.2 m)..
What least heat is needed to bring 80 of water at 20 to the boiling point and completely boil it away? (answere in Joules).
Two point charges, initially 2.0 cm apart, experience a 1.0-Nforce. If they are moved to a new separation of 8.0 cm, what is the electric force between them?
A mountain climber jumps a 2.97 m wide crevasse byleaping horizontally with a speed of 8.11 m/s. what is the height difference between the two sides of the crevasse
A 72 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 15° above the horizontal. If the coefficient of static friction is 0.49, what minimum force magnitude is required from the rope to start the crate moving
A 30.0 g goldfinch lands on a slender branch, where it oscillates up and down with simple harmonic motion of amplitude 0.0489 m, What is the maximum speed of the goldfinch
Consider a bicycle wheel rotating about it's axel. If it is rotating at 2 revolutions per second, and the radius of the wheel is 0.35 m, what is the kinetic energy of the rotating wheel
The top of a refrigerator has an area of 0.6m2. The height of the refrigerator is 180 cm. What volume does refrigerator occupy in cubic meters.
The near point of a naked eye is 21 cm. When placed at the near point and viewed by the naked eye, a tiny object would have an angular size of6.0 × 10-5 rad. Find the focal length of the eyepiece
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