A circular disc of area 0.64πm2 rolls down a length of 1.408 km. The number of revolutions it makes is: (Taken π = $\frac{22}{7}$).
Answer & explanation
Correct answer: option 1
A detailed explanation for this question is coming soon.
A circular disc of area 0.64πm2 rolls down a length of 1.408 km. The number of revolutions it makes is: (Taken π = $\frac{22}{7}$).
Correct answer: option 1
A detailed explanation for this question is coming soon.