A 910-g rock is whirled in a horizontal circle at the end of a 1.8-m-long string....

Question

Question

A 910-g rock is whirled in a horizontal circle at the end of a 1.8-m-long string.

A: If the breaking strength of the string is 110 N , what’s the minimum angle the string can make with the horizontal?

B: At this minimum angle, what’s the rock’s speed?

Answer 1

Answer #1

Answer 2

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