A wheel of a van is making 400 revolutions per minute. If the diameter of the wheet is 70 cm find its speed.

Question

asked Aug 19, 2024 214k views

1 Answer

Youss · Answer 1 · 2024-08-25T14:51:45+0000

Explanation:

Circumference of a circle = pi * d

pi * .70 m = 2.199 m and it travels 400 of these per minute

400 * 2.199 = 879.6 m / min <====speed

this is 14.7 m/s ( when you divide by 60 s / min)