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For a car traveling at a certain speed, it is possible to bank a curve at just the right angle so that no friction is needed to maintain the car's turning radius. At what angle (theta) should the curve be bunked so that a car moving at a speed of 55.0 mi/h can safely make the turn even with no friction? The radius of the curve is R = 230.0 m. Please draw a free - body diagram for car and show detailed calculation.
A learner (m = 66 kilogram) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.04 second. Estimate from what height did the student fall
A cameraman on a pickup truck is traveling westward at 16 km/h while he videotapes a cheetah that is moving westward 31 km/h faster than the truck. What is the direction according to the nervous crew member
Two particles oscillate in simple harmonic motion with amplitude A, about the centre of a common straight line of length 2A. How far apart are the particles from each other
Water is flowing in an open channel that is 2.00 m wide. The water surface is 3.00 m above the bottom of the channel. What volume of water is flowing in the channel
A wheel spins on its axis with a angular velocity of 2 rad/s. Find how long will it take to get the angular velocity up to 8 rad/s
Cube C1 has sides of length L, has an area A, and a volume V. Cube C2 has side that is 1/3 L. What are the area and the volume of cube
A photographer in a helicopter ascending vertically at a constant rate of 12.5 m/s accidentally drops a camera out the window, How long will it take the camera to reach the ground
A 4.4 kg block is pushed 6.6 m up a rough 35° inclined plane by a horizontal force of 74 N. estimate the work done by the horizontal force
Assume that the angles are small enough so that sintheta is approximately equal to tantheta . Find the separation y when the light has a wavelength of 610 nm.
A proton accelerates from rest in a uniform electric field of 630 N/C. At one later moment, its speed is 1.60 m/s, Determine its kinetic energy at the end of this interval
A ceiling fan with 82cm diameter blades is turning at 70rpm. Suppose the fan coasts to a stop 29s after being turned off. Illustrate what is the speed of the tip of a blade 10s after the fan is turned off?
Assume two bodies are orbiting about their common center of mass, and the distance among the bodies is a fixed distance d. certainly one possible configuration is the following:
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