A fan can spin at a speed of 15 revolutions per minute. After one second from switching on the fan, if each blade is in the original position of the next blade, how many blades are there in the fan?
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*Correct answer is 4*
.
Because
15/60=1/4
Therefore if all blades rotate once and go to each other position
And hence fan has 4 blades
.
Please mark as brainliest
.
Because
15/60=1/4
Therefore if all blades rotate once and go to each other position
And hence fan has 4 blades
.
Please mark as brainliest
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