Question

how many times will the wheels of a car rotate in a journey of 88km given that diameter of wheel is 56cm

Answer 1

Answer:

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Answer 2

Answer:

50000

Step-by-step explanation:

Diameter of wheel = 56 cm

Radius of wheel = $\frac{56}{2}=28 cm$

Circumference of wheel = $2 \pi r = 2 \times \frac{22}{7} \times  28 = 176 cm$

So. No. of revolutions in 176 cm (0.00176)= 1

No. of revolutions in 88 km = $\frac{88}{0.00176}=50000$

Hence the wheels of a car rotate 50000 times in a journey of 88km given that diameter of wheel is 56cm