Rotations per Minute . How many rotations per minute must a wheel of diameter 1.5 m make to
achieve a speed of 45 kmph ? (Approx pi= 3 ).
1 answer
45km/hr * 1hr/60min * 1rev/(1.5π m) * 1000m/km = 159rev/min
achieve a speed of 45 kmph ? (Approx pi= 3 ).
1 answer
1 answer
1 answer
1 answer
1 answer