A student wants to demonstrate entropy using the songs on her portable music player. What should she do to demonstrate the lowes
1 answer:
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Answer:
a) , b)
, c)
Explanation:
a) The speed of the ball is determined by applying the Principle of Energy Conservation:
The speed of the ball when the string makes an angle of 12° with the vertical is:
b) The maximum speed of the ball is:
c) The angle between the string and the vertical when the speed of the ball is one-third its maximum value is obtained by proving different values of . The solution is approximately: