the length of minute hand of a clock is 6 CM calculate its speed
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The minute hand of the clock completes one complete revolution in one hour
There angular velocity of the clock (w) = angle travelled in radians / time taken = 2 π / 3600 radians per second
The speed of the minute hand of the clock (v) = w*r = (2 π / 3600) *6
= π/300cm/sec
There angular velocity of the clock (w) = angle travelled in radians / time taken = 2 π / 3600 radians per second
The speed of the minute hand of the clock (v) = w*r = (2 π / 3600) *6
= π/300cm/sec
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Answer:
Here,
r = 6 cm, v = ?
Time taken by minute's hand of a clock to go once around the circle ,
t = 60 min = 60 × 60 s
From ,
v = 2πr / t = 2× 22 / 7 × 6/ 60× 60
= 8.8 × 10 ^ -3 cm / sec
Explanation:
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