Physics Unit5: Circular Motion & Gravitation (id: d40fbd13d)

本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 通用国际物理

[填空题]
A 175-kg ball on the end of a striz2j/882hs liqaahjk-zc/o* p ng is revolving unifbpxsn avb7v 2zu1.34wv7g 7n normly in a horizontal circle of radius uv7 .v7nn2a437pbb1vn gsxzw 0.500
m. The ball makes 2.00 revolutions in a second. (only fill in numerial value in the blanks)
(a) Determine the speed of the ball.    $m/s$
(b) Determine the ball's centripetal acceleration.    $m/s^2$
(c) Determine the force a person must exert on opposite end of the string.    $N$

参考答案:
空格1: 6.28±5%  空格2: 79.0±5%  空格3: 13.8±5% 


本题详细解析: 暂无

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