Physics, 21.04.2020 18:39 marioagundis09
Knowing that the tension in the cord is 1350 N and thatc = 360 mm, determine the moment aboutB of the force exerted by the cord at point A by resolving that force into horizontal and vertical components applied (a) at point A, (b) atpoint C.
Answers: 1
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Simple machines can a. increase force only b. decrease force only c. increase or decrease force
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Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity
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Estimate the kinetic energy of mars with respect to the sun as the sum of two terms, that due to its daily rotation about its axis, and that due to its yearly revolution about the sun. (assume mars is a uniform sphere with mass = 6.4×10 to the power of 23 kg, radius = 3.4×10 to the power of 6 m, rotation period = 24.7 hours, orbital period = 686 days and is 2.3×10 to the power of 8 km from the sun.)
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Suppose that a cylindrical tank 6 meters high with a radius of 2 meters is filled to the rim with water. the tank is buried so that the top of the tank is 1 meter below ground level. the space above the tank is not filled with water. calculate how much work needs to be done by a pump to pump the water out of the tank up to ground level. (the water weighs 9,800 newtons per cubic meter.)
Answers: 2
Knowing that the tension in the cord is 1350 N and thatc = 360 mm, determine the moment aboutB of th...
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