A wheel 14 cm in diameter makes 3000 revulation per minute find its speed in metre / second??
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ishu2767:
this answer is wrong
answer is 22
ok np
hiiii
wrong
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A wheel has 14 cm = 7 radius (r)
It makes 3000 per min = 3000/60 = 50
The circumference of wheel is
2 x pi x r
Pi = 22/7
2 x 22/7 x 7 = 44cm
44cm = 44/100 = 0.44m
Total distance covered is 0.44 x 50 = 22 meter per second
It makes 3000 per min = 3000/60 = 50
The circumference of wheel is
2 x pi x r
Pi = 22/7
2 x 22/7 x 7 = 44cm
44cm = 44/100 = 0.44m
Total distance covered is 0.44 x 50 = 22 meter per second
its ok
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