Physics, 20.07.2019 12:50, ohshushan2
Arope is used to pull a 5.07 kg block at constant speed 2.36 m along a horizontal floor. the force on the block from the rope is 3.01 n and directed 12.4° above the horizontal. what are (a) the work done by the rope's force, (b) the increase in thermal energy of the block-floor system, and (c) the coefficient of kinetic friction between the block and floor?
Answers: 1
Physics, 22.06.2019 00:40, naomicervero
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 1
Arope is used to pull a 5.07 kg block at constant speed 2.36 m along a horizontal floor. the force o...
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