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Q. A 92 kg climber rappels down a rope applying friction with figure eight (piece of climbing equipment ) to reduce his his downward acceleration. The rope which is damaged can withstand a tension of 675 N. Can the the climber limit his descent to constant speed without breaking the rope? If not to what value can he limit his downward acceleration?
Q. Water (η = 1.00 10-3 Pa·s) is flowing through a horizontal pipe with a volume flow rate of 0.050 m3/s. As the drawing shows, there are two vertical tubes that project from the pipe. From the data find the radius of the horizontal pipe.
Compute the density of entropically raised element of air
Suppose one gallon of gasoline produces 1.1 multiplied by 108 J of energy, and this energy is enough to operate a particular car for 26 miles.
State your answer in terms of and Use three significant figures in the numerical coefficient.
A rectangular barge, 4.0 m long and 1.5 m wide, floats in fresh water. (a) Find out how much deeper it floats when its load is a 380-kg horse. (b) If the barge can only be pushed 15 cm deeper into the water before water overflows to sink it, how m..
If the Hawaiian hot spot is a fixed hot spot, which of directions is closest to the direction that the Pacific Plate was apparently moving as the Emperor Seamount Chain formed.
If John Glenn weighed 640 N on Earth's surface, a) how much would he have weighed if his Mercury spacecraft had (hypothetically) remained at twice the distance from centre of Earth? b) Why is it said that an astronaut is never truly "weightles".
If the beam now strikes the top of a building standing directly at the water's edge, find out the height of the building.
What is magnitude of induced emf between the ends of beam
What is mechanical energy dissipated by resistive forces
Explain how Gestalt psychologists understand perceptual organization, including the discussion of form perception, depth perception, and perceptual constancy.
Two people with a combined mass of 120kg hop into an old car with worn-out shock absorbers. This causes the springs to compress by 8.30 cm. When the car hits a bump in the road, it oscillates up and down with a period of 1.70s.
A 2.80 kg gold bar at 98 degrees celcius is dropped into 0.34 kg of water at 23 degree celcius. what is the final temperature? assume the specific heatof gold is 129 J/kg
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