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Member ABCD is supported by a pin and bracket at C and by an inextensible cord attached at A and D and passing over frictionless pulleys at B and E. Neglecting the size of the pulleys, determine the tension in the cord and the reaction at C.
The Moon rotates once on its axis in 27.3 days. Its radius is 1.74 x 10 to the 6th m. What is the linear speed of a rock on the Moon's equator due only to the Moon's rotation
A satellite is in orbit about Earth. Its orbital radius is1.99 × 107 meter. Find what is the orbital speed of the satellite in mi/s. 1 mi/s = 1609 m/s
q 1. the highest musical note on a piano has a frequency of 4286 hz. why would a tape of piano music sound terrible if
A dynamics cart with a force sensor is placed on a level track. Attached to the force sensor is a string of negligible mass that passes over a pulley. A hanging mass is then attached to the free end of the string and the cart is released from rest. D..
Suppose a tank contains 680 m3 of neon (Ne) at an absolute pressure of 1.01 x 10^5 Pa. What is the increase in the internal energy of the neon
Three uniform spheres are located at the corners of an equilateral triangle. find the magnitude of the initial acceleration of the third sphere
question according to dr. einstein the speed of light is 186000 miles per second. how far will a radio wave exhibiting
Consider a box with a lid 1.5m wide and 0.70m long. If the inside of the box is evacuated (i.e.,its pressure is zero), how much force is required to open the lid
A person is standing on a level floor. His head,upper torso, arms and hands together weigh 438N and have a centerof gravity that is 1.17m above the floor. obtain the location of the center of gravity for entire body
a refrigerator has a coefficient of performance of 2.10. each cycle it absorbs 3.40 104 j of heat from the cold
light of wavelength 679 nm is incident on a single slit. the central bright fringe is 2.75 cm wide on a flat screen
A 72 kilogram water skier is being accelerated by a ski boat on a flat lake. Find the skier horizontal acceleration if the rope pulling the skier exerts a force of 240 Newton on the skier at an upward angle of 12 degree
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