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Annette [7]
3 years ago
13

Can somebody answer this for me asap!

Physics
1 answer:
andreev551 [17]3 years ago
7 0
It shows all except the types of precipitation and created for newspapers
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A child whirls a 3.00 kg ball on a string .50 m from the axis of rotation in a horizontal circle. The ball makes 1 revolution in
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Answers:

a) 0.5 m/s^{2}

b) 1.5 N

Explanation:

a) The centripetal acceleration a_{c} of an object moving in a uniform circular motion is given by the following equation:  

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Where:

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r=0.5 m is the radius of the circular motion, which is equal to the length of the string

Then:

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b) On the other hand, in this circular motion there is a force (centripetal force F) that is directed towards the center and is equal to the tension (T) in the string:

F=T=m. a_{c}

Where m=3 kg is the mass of the ball

Hence:

T=(3 kg)(0.5 m/s^{2})

T=1.5 N This is the tension in the string

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