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Three children are riding on the edge of a merry-go-round that is 106 kg, has a 1.40-m radius, and is spinning at 18.0 rpm. The children have masses of 24, 30, and 33 kg. If the child who has a mass of 30 kg moves to the center of the merry-go-round, what is the new angular velocity in rpm?
A 2.2-kg cylinder (radius = 0.10 m, length = 0.50 m) is released from rest at thetop of a ramp and allowed to roll without slipping. What is its translational kinetic energy
imagine that you spill a cup (250 g) hot water, initially at 75 C, onto the cold ground on a winter fay, Calculate the net change in the entropy of the universe due to this process, and comment on the result
A 0.58 cm high object generates an image that is 1.7 cm high. The lens has a focal length of 9.6 cm. Find the image and object distances
The motion of the pistion o fan automobile engine is SHM. if the stroke of an engine (twice theamplitude) is 4 in. and the angular velocity is 3600 rev/mincompute the acceleration of hte pistion at the end of itsstroke
Describe the duties of restitution recovery, shrinkage control, fraud management, and security deterrence.
In a continuous printing process paper is drawn into the presses at a constant speed v Denoting by r the radius of the paper roll at any given time and by b the thickness of the paper, derive an expression for the angular acceleration of the paper..
1 once the simulation opens click on lsquoshow both for velocity and acceleration at the top of the page. now
Kamaria is learning how to ice-skate. She wants her mother topull her along so that she has an acceleration of.8m/s2. with what forcedoes her mother need to pull her
An 11.8 kg block of metal is suspended from a scale and immersed in water, What are the forces exerted by the water on the top and bottom of the block
After two days, only one-quarter of a radioactive sample remains. What is the half life of the nuclei
In a rotor ride, which is a large hollow cylinder that is rotated rapidly around its central axis, people are rotated at a high speed. What minimum speed must the cylinder have
A parallel- plate capcitor of capacitance 2.0X10^-10 F is oppositely charged with 3.0x10 ^-8 C charge. The distance between the plate is 0.5mm. What is the area on each plate
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