Question

A student athlete is participating in the hammer throw. The student rotates in uniform circular motion with the mass rotating 2.3 m away from the center of rotation.

Refer to the information and diagram shown above. The student athlete can rotate so that the object is moving with a speed of 10 m/s.

What is the acceleration necessary to keep the object in uniform circular motion?

Answer 1

The acceleration necessary to keep the object in uniform circular motion is 43.48 m/s²

From the question given above, the following data were obtained:

• Radius (r) = 2.3 m
• Velocity (v) = 10 m/s
• Acceleration (a) =?

The acceleration required to keep the object in circula motion can be obtained as follow:

a = v² / r

a = 10² / 2.3

a = 100 / 2.3

a = 43.48 m/s²

Thus, the acceleration required to keep the object in circula motion is 43.48 m/s².

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