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A wheel of radius 1.5m rotates at a constant angular velocity. A point at the edge of the wheel experiences centripetal acceleration of 1.2m/s^2. What is the linear speed of that point?
a cameraman on a pickup truck is traveling westward at 20 kmh while he videotapes a cheetah that is moving westward 30
The cord is then pulled from below, shortening the radius of the circle in which the block revolves to 0.10 . At this new distance, the speed of the block is observed to be 3.50. Explain by how much work was done by the person who pulled on the cor..
A plane flies 338 km at an angle of 22.3 degrees north of east. find the displacement the plane must now take to reach the airport
470 cm3 of water at 82°C is mixed with 95 cm3 of water at 8°C. Calculate the final equilibrium temperature, Calculate the final equilibrium temperature assumning no heat loss after mixing occurs
The concrete wall of a building is 0.10m thick. The temperature inside the building is 20.0 °C, while the temperature outside is 0°C. Heat is conducted through the wall.
A person walks into a room that has two flat mirrors on opposite walls. The mirrors produce multiple images of the person. Consider only the images formed in the mirror on the left.
Artificial gravity. One way to create artificial gravity in a space station is to spin it. If a cylindrical space station 275 m in diameter is to spin about its central axis, at how many revolutions per minute (rpm) must it turn so that the outermost..
q1. a wheel is spinning clockwise at a 12.0 revolutions per second at t 0. because of friction in the bearings
A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates, Determine the work done by the net external force acting on the skier
On a frictionless, horizontal air table, puck A (with mass 0.150kg} ) is moving toward puck B (with mass 0.350kg} ), which is initially at rest. After the collision, puck A has a velocity of 0.120m/s to the left, and puck B has a velocity of 0.650..
A conducting spherical shell of radius Ri has a net charge Q on it. Using Gauss's law, find the electric field between the two shells
a simple atwoods machine uses two masses m1 and m2. starting from rest the speed of the two masses is 5.0 ms at the end
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