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A solid sphere (M=2.0 kg and R=0.5 m) is rolling without slipping on a horizontal surface at speed vcm=4.3 m/s when it reaches an incline. It then rolls up along the incline.
(a) What is the total kinetic energy of the sphere at the bottom of the incline?
Two passenger trains A and B, each 240 mlong, pass a 40 m long railroad platform in Winnepeg. The trains are moving in opposite directions at equal speeds of 0.500cwith respect to the ground. Train A is traveling west and alltracks are perfectly stra..
When one gallon of gasoline is burned in a car engine, 1.19 x 108 J of internal energy is released. how many miles can the car travel on one gallon of gas
Nuclear transmutation (causing atoms of one element to become a different element) is possible using currently-available technology. Suppose you check metals prices and decide to try converting osmium into iridium, and that each atom transmuted re..
At full power, how long would it take for car to accelerate from 0 to 56 mph? Neglect friction and air resistance.
A 10 N force acts on 5 kg object for 2.0s. What is the impulse of the force on the object, What is the change in momentum of the object
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 58.05 diopters, what is the height of the image on the retina
The tires of a car make 58 revolutions as the car reduces its speed uniformly from 91km/h to 36km/h . The tires have a diameter of 0.84m. how much more time is required for it to stop
A hot ( ) lump of metal has a mass of 250g and a specific heat of 0.25 . John drops the metal into a 500g calorimeter containing 75g of water at . The calorimeter is constructed of a material that has a specific heat of 0.10 . When equilibrium is ..
A circularwire loop of radius 20.0 cm carries acurrent of 2.90 A. It is placed sothat the normal to its plane makes an angle of 50.0° with a uniform magnetic field of14.0 T. Calculate the magnetic dipole moment of the loop
A day on a distant planet observed orbiting a nearby star is 31.7 hours. Also, a year on the planet lasts 79.5 Earth days.* Calculate the average angular speed of the planet
block A (mass 2.28 kg) rests on a tabletop. It is connected by a horizontal cord passing over a light, frictionless pulley to a hanging block B (mass 2.57 kg ), evaluate the tension in the cord
An airplane takes off and flies 225 km on a course of 25 degrees north of west and then changes direction and flies 135 km due north where it lands. At what angle is the plane from the starting point
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