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A plastic disk of radius 10 cm is spinning at 120 rpm. What is the magnitude of the centripetal acceleration of the outer rim of the disk?
A 0.100-kg ball is thrown straight up into the air with an initial speed of 15.0 m/s. Find the momentum of the ball - at its maximum height.
You are given the task to determine the volume of an irregular shaped object. You hang it on a scale and measure its weight to be 27 N. What is the object's volume
A book of mass 6.5 kilogram sits at rest on a horizontal table. Obtain the magnitude of the normal force exerted by table on book
An arrow has a velocity of 45.0 m/s when it reaches a straw target. estimate its average acceleration while coming to rest
You have a mechanism by which you can use a magnetic spectrograph to chose the energy of the beta rays from a 137Cs source. What thickness of the brass foils in g/cm2 does it take to stop the 0.8 MeV beta rays
A 10.0 kg block is dragged overa rough, horizontal surface by a 73.0 N force acting at 20.0° above thehorizontal. The block is displaced 4.50 m, and the coefficient of kinetic friction is 0.300.
A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead the pipe\'s diameter is 57.5 cm (0.575 m), what is the pipe\'s diameter at the refinery
A toroidal solenoid with mean radius r and cross-sectional area A is wound uniformly with N1 turns. A second toroidal solenoid with N2 turns is wound uniformly on top of the first, so that the two solenoids have the similar cross-sectional area and m..
A wooden plank rests on 2 soup cans laid on their sides. Each can has a diameter of 6.5 centimeter, and the plank is 3.0 meter long. Determine how many rotations does each can make
If the golf club is in contact with the ball as it is accelerated over an interval of 1.11 cm, estimate the average force exerted on the ball by the club
The leader's advisors reluctantly admit that an election must be called if N is such that, at any vote on government policy, the chance of a simple majority in favor would be less than 80%. Given that p = 0 . 8, estimate the lowest value of N that..
A 1200 kg automobile crashes into a brick wall, collapsing thefront end 1.5 meters. If the averge retarding force applied by the brick wall to the automobile is 2000 N through out the entire time of crash, what was the speed of the automobile just..
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