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At a county fair there is a betting game that involves aspinning wheel. As the drawing shows, the wheel is set intorotational motion with the beginning of the angular section labeled"1" at the marker at the top of the wheel. The wheel then decelerates and eventually comes to a halt on one of the numbered sections. The wheel in the drawing is divided into twelve sections,each of which is an angle of 30°. Determine the numbered section on which the wheel comes to a halt when the deceleration of the wheel has a magnitude of 0.355 rev/s2 and theinitial angular velocity is (a) +1.61rev/s and (b) +3.17 rev/s.
A capacitor has parallel plates of area 12 cm2 separated by 4.5mm . The space between the plates is filled with polystyrene, Find the induced surface-charge density on the surface of the dielectric
A crate of potatoes of mass 8.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are μs = 0.72 and μk = 0.43. Find the frictional force (magnitude and direction) on the crate if the crate is sliding up t..
Your job is to lift 30kg crates avertical distance of 0.90m from the ground onto the bed of a truck. How many crates for an average power output of 100W
What is the change in entropy for the system. How much force must be applied to climb the hill at the same speed and same air resistance.
A cat walks along a plank (length = 4.00 m and mass = 7.00 kg). What is the mass of the cat
A person runs up a long flight of stairs in 10 seconds. If the person's weight is 600 N, determine the person's power output
While rearranging a dorm room, a student does 400 J of work in moving a desk 2.0 m. What was the magnitude of the applied horizontal force
Inertia and torque of the rotating bodies.
a 30 kg crate is pulled across a flat floor with 80 n of force. the coefficient of kinetic friction between the crate
a satellite has a mass of 6367 kg and is in a circular orbit 3.70 x 105 m above the surface of a planet. the period of
A ball of relatively low density is thrown upwards. Because ofair resistance the acceleration while traveling upwards is-10.8m/s2. On its trip downward the resistance is in theopposite direction and the resulting acceleration is-8.8m/s2.
A man with a mass of 59 kg stands up in a 73-kg canoe of length 4.0 m floating on water. How far does the canoe move
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