calculate the speed of tip of seconds hand of a watch of length 15 cm
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Answered by
2
here radius = 15 cm
then circ. = 94.2cm(here it is our dist.)= .942m
time taken to complete in round = 60s.
speed = dist./time
.942m/60
=0.0157m/s
then circ. = 94.2cm(here it is our dist.)= .942m
time taken to complete in round = 60s.
speed = dist./time
.942m/60
=0.0157m/s
Answered by
2
v=2xpiexr/t. =2x22/7x1.5 60. 60 seconds because,it is as given tip of seconds hand =2x22/7x15/10/60 =11/70 =0.157=0.16cm/s
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