A CAR MAKES 50000 REVOLUTIONS TO TRAVEL A DISTANCE OF 121 KM . FIND THE DIAMETER OF THE WHEEL OF THE CAR (in cm)
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No. Of rotations=50000
Total length=1210000cm
Distance travelled in 1 rotation=1210000/50000
=24.2cm
Circumference=2*(22/7)*r
24.2=2*(22/7)*r
r=3.85cm
Diameter=2r
=7.7cm
Total length=1210000cm
Distance travelled in 1 rotation=1210000/50000
=24.2cm
Circumference=2*(22/7)*r
24.2=2*(22/7)*r
r=3.85cm
Diameter=2r
=7.7cm
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