A lorry travels at 50km/h. Given that the diameter of its wheel is 88cm, find how many revolutions per minute the wheel is turning. Given your answer to the nearest whole number.

Answer 1

C = pi*D = 3.14 * 0.88m = 2.76 m.=
Circumference.

Va=50000m/h * 1rev/2.76m=18,182 rev/min

Answer 2

50 km = 5000000 cm .
5000000 / 60(88*3.142)
301 revolutions per minute :)

Answer 3

But how to find it

Answer 4

88cm diameter
So,
44cm radius
Baki khud karo

Answer 5

pta nhi yrr