PHY2053 Physics 1, Test 2 Exam With Answers Version A - 1 An Olympic skier moving at 20.0 m\/s down a 30.0 slope encounters a region of wet snow of

PHY2053 Physics 1, Test 2 Exam With Answers Version A - 1...

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____ 1. An Olympic skier moving at 20.0 m/s down a 30.0slope encounters a region of wet snow, of coefficient of friction k= 0.740. How far down the slope does she go before stopping? ____ 2. A 9.0-kg hanging weight is connected by a string over a pulley to a 5.0-kg block sliding on a flat table. If the coefficient of sliding friction is 0.20, find the tension in the string. ____ 3. A 100-N block, on a 30incline, is being held motionless by friction. The coefficient of static friction between the block and the plane is 0.60. The force due to friction is: ____ 4. 2 600 rev/min is equivalent to which of the following? ____ 5. A grindstone spinning at the rate of 8.3 rev/s has what approximate angular speed? ____

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