Question

Find the centripetal force to which a 350 g ball of mass is attached, tied to the end of a taut rope 1 m long, if it describes a circumference at a speed of 4 m / s.

Answer 1

Answer:

5.6 N

Explanation:

Centripetal force = mv² / r

Force = $\frac{0.35*4^{2} }{1}$

= 5.6 N

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Answer 2

Answer:

5.6

Explanation:

m=350g=0.35kg

r=1m

v=4m/s

f=mv^2/r

=0.35×16/1

=5.6

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