Carlin hangs a sign in front of her shop with a cable held a…
Carlin hangs a sign in front of her shop with a cable held away from the building by a lightweight pole. The cable makes an angle of 60 degrees with the wall, and the sign hangs from the edge of the pole, which has a length of 1.5 m and is perpendicular to the wall. Once the sign is hung, Carlin measures a tension in the cable of 150 N. What is the mass of the sign?
Read DetailsUnvera is operating an apparatus containing a flywheel, whic…
Unvera is operating an apparatus containing a flywheel, which accelerates from rest to an angular speed of 25 rpm, turning through 80 revolutions in the process. How long does Unvera’s flywheel take to accelerate to this speed?
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