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a 250 kg merry-go-round is a solid disc with a radius of 1m when a 40 kg child sits at the center the angular speed is 6 rev/s. What is the angular speed when the child moves to the perimeter of the toy?
Consider a particle with positive charge q = 8.00 * 10^18 C moves with velocity v=(4i + 2j - k) m/s through a region, calculate the total force on the moving particle
What is the change in kinetic energy of the puck
A 72kg man climbs a 1192 m high mountain in 1.43 hour and uses 7.6kcal/min. What is the power ouTput in useful work
If the ball is free from rest at a height of 0.67 above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? Suppose the ball is a solid sphere of radius 2.2 and mass 0.14.
How much work (in joules) is done in moving a charge of 2*10^-6 electrons from positive terminal of the battery to the negative terminal of a 12-Volt battery.
During 8.83 seconds a motorcyclist changes his velocity from v1,x = -36.5 m/s and v1,y = 10.5 m/s to v2,x =-23.1 m/s, Find the components of the motorcycle\'s average acceleration
A child loses his balloon, which rises slowly into the sky. If the balloon is 23 cm in diameter as the child loses it, what is its diameter at the following altitudes? Assume that the balloon is very flexible and so surface tension could be neglec..
A soccer player kicks the ball off the ground at an angle ? above the horizontal. The ball is in the air for 3.0 seconds, Find the soccer ball's initial horizontal (vox) velocity component
For lead 82Pb206 (atomic mass = 205.974440 u) obtain the binding energy per nucleon (in MeV)
A centrifuge in a medical laboratory rotates at an angular speed of 3800 rev/min. Find the constant angular acceleration of the centrifuge
A 15.9g bullet traveling horizontally at 871m/spasses through a tank containing 14.5kg of water and emerges with a speed of 537m/s
Flight to Mars. To send a satellite from Earth to Mars, a rocket must accelerate the satellite until it is in the correct elliptical orbit around the sun. Calculate the time for the satellite's journey
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