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If the hour hand of a clock moves K radi...

If the hour hand of a clock moves K radians in 48 minutes , K=

A

0.3

B

0.4

C

0.5

D

2.4

Text Solution

Verified by Experts

The correct Answer is:
B
In 1 hour, the hour hand moves` (1)/(12)` of the way around the clock, or `(2pi)/(12)=(pi)/(6)` radians. `(48)/(60)*(pi)/(6)=(2pi)/(15)~~(6.28)/(15)~~0.4`
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