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A carousel at the local carnival rotates once every 45 seconds. (a) What is the linear speed of an outer horse on the carousel, which is 2.75 m from the axis of rotation? (b) What is the linear speed of an inner horse that is 1.75 m from the axis of rotation?
A 7.80-g bullet moving at 610 m/s penetrates a tree trunk to a depth of 5.80 cm, Use work and energy considerations to find the average frictional force that stops the bullet
What is the minimum energy that photons must have to produce 49 keV electrons in a Compton scattering? I need the answer in KeV
A basketball player makes a jump shot. The 0.530-kg ball is released at a height of 1.90 m above the floor with a speed of 7.12 m/s. What is the work done on the ball by air resistance
A block with mass m = 19.0 kg slides down an inclined plane of slope angle 17.8 ° with a constant velocity. It is afterwards projected up the same plane with an initial speed 1.35 m/s. How far up the incline would the block move before coming to rest..
A 7.80-g bullet moving at 640 m/s penetrates a tree trunk to a depth of 6.1 cm. find the average frictional force that stops the bullet
A38.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of20.0m. What force does the seat exert on the child at the highest point of the ride
A submarine is 300 m horizontallyout from the shore and 143 m beneaththe surface of the water. A laser beam is sent from the sub so thatit strikes the surface of the water at a point 232 m from the shore. If the beam just strikes thetop of a build..
an aluminum pie pan is connected by a wire to a metal plate. sitting parallel to plate 1 is a second metal plate
A light burns out in your house, so you go to the store to buy a replacement. You can spend $22 to buy an equivalent LED bulb, spend $2 to buy a 60-watt incandescent light bulb, which only uses 12 W however is just as bright. On average, the bulb wil..
A state trooper chases a speeder; along a straight road; both vehicles at 160km/h. The serin on the troopers vehicle produces sound at a frequency. Doppler shift in the frequency heard by the speeder
A camera has a lens with a focal length of 26.9 cm. how far from the film should the lens be placed
Find the change in the force of gravity between two planets when the distance between them is decreased by eight
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