The seconds hand of a watch is 2 cm long.The displacement of the tip of the hand in 15 seconds is
a)0.5 cm
b)1.0 cm
c)6.28 cm
d)3.14 cm
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The seconds hand of a watch is 2 cm long.The displacement of the tip of the hand in 15 seconds is
a)0.5 cm
b)1.0 cm
c)6.28 cm
d)3.14 cm
It's urgent....
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It's 3.14 cm because the it travels a distance of 1 fourth of the circle and the circle having circumference or perimeter is 2×pi×r.
so it will be 2×pi×r/4
and the value of r = 2cm.
and pi = 3.14