Question

1
In a bullock cart the wheel is of diameter 50cm. It is travelling to a distance of 440m. Calculate the number of revolutions made by the wheel.
A) 0210
B) 280
C) O 240
D) 260
E) 300
a​

Answer 1

Answer:

b 280

Step-by-step explanation:

diameter is 50 cm

radius is 25 cm

for one rotation it covers the lenght of one circumference that is equal to 2 into Pi into r

which is 157cm

divide 440 metres divided by 157 CM we get 280

Note 4 40 metres is equal to 44000 cm