A 1.70 -kg aluminum block and a 7.45 -kg copper block are connected by a light s
ID: 2130144 • Letter: A
Question
A 1.70-kg aluminum block and a 7.45-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle ? = 33.0
A 1.70-kg aluminum block and a 7.45-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle ? = 33.0 degree) as shown in the figure. Making use of the table below, determine the following. the acceleration of the two blocks the tension in the stringExplanation / Answer
(a)
a = (9.80665 m/s^2)[ 7.5 kg)(sin33 - 0.36cos33) - (0.47)(1.7 kg)]/(9.15 kg)
a = 1.09 m/s^2
(b)
T = (1.7 kg)(1.09 m/s^2) + (0.47)(1.7 kg)(9.80665) m/s^2
T = 9.688 N
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