Answered

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The tip of a pinwheel is 0. 24 m from the center. The pinwheel spins 5 times each second. What is the tangential speed of the tip of the pinwheel? 0. 30 m/s 1. 2 m/s 1. 5 m/s 7. 5 m/s.

Sagot :

When a body is moving in circular path at a
distance r from its center its velocity at any
instant will be directed tangentially. This is
what we call tangential velocity. It is
calculated as follows:
Vt=r(w)
where w = 5 rev/s (2m rad / rev) = 31.42
rad/s
Vt = 0.24(31.42) = 7.5 m/s
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