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A small 0.493 kg object moves on africtionless horizontal table in a circular path of radius1.22 m. The angular speed is6.18 rad/s. The object is attached toa string of negligible mass that passes through a small hole in thetable at the center of the circle. Someone under the table beginsto pull the string downward to make the circle smaller. If thestring will tolerate a tension of no more than 105 N, what is the radius of the smallest possible circle on which the object canmove?
You are on the tilt-a-whirl ride and it begins to spin. Model the ride as all the mass at a radius of 1.60 m. The mass of the ride with people is 230.0 kg. What is the moment of inertia of the ride
If the index of refractions of the red light is 1.4925, what is the index of refraction of the blue light?
explain the magnitude of the centripetal acceleration. At what two locations on the x-axis (xpositive, xnegative) is the potential zero.
A possible spacecraft design uses a solar sail made of aluminized plastic. what is its acceleration at the radius of the Earth's orbit
He was supposed to travel due north for 5.6km, but he actuallytraveled 7.8km at 50 degrees north due east. (a) how far and (b) elucidate in what direction must he now travel to reach base camp?
A plane accelerates from rest at a constant rate of 5.00 m/s along a runway that is 1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. What is the time needed to take off?What is the distance(m) travel..
Determine the number of moles of air that leave the house during the daytime.
the size of the hydrogen atom grows in proportion to n2 where n is the principal quantum number. for the atom in the n
A circular coil enclosing an area of 180 cm2 is made of 210 turns of copper wire. The wire making up the coil has resistance of 9.0 ?, what is the average current in the coil during that time
When she lets go of the rope her initial velocity is 2.25 m/s at an angle of 35 degrees above the horizontal. If she is in flight for .616 s, explain how high above the water was she when she let go of the rope?
A 4.30-kg ball is dropped from a height of 14.5m above one end of a uniform bar that pivots at its center. The bar has mass 6.50kg and is 4.60m in length. At the other end of the bar sits another 6.00-kg ball, unattached to the bar. The dropped ball ..
An object with a mass of 4.0 Kg travels with a constant velocity of 8.5m/s northward. How far will the object travel before coming to rest
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