Question

A car is travelling at 60 km/hr. If the diameter of the tires is 53 cm. Find the rate(angular velocity) in rad/sec and rev/min at which the wheels rotate. With solution please. Thanks. :>

Answer 1

Pure Rolling Right?

Answer 2

\[\omega \times r = v \]

Answer 3

yes

Answer 4

\[\omega = \frac{v}{r}\]
Try this

Answer 5

then?

Answer 6

Plug And Play

Answer 7

how can i turn it to rad/sec and rev/min

Answer 8

r is the radius while v is the linear velocity

rad/sec * 1rev/2pi rad

Answer 9

rad 60 sec 1 rev
---- * ----- * --------
sec 1 min 2 pi rad

Answer 10

30 rev/min

Answer 11

?

Answer 12

30/pi rev/min

Answer 13

why its sec? isn't supposed to be cancelled

Answer 14

ishaan u r raisin more n more queries in him mind by doin this way :P simplify it

Answer 15

ok then bout rad/sec?

Answer 16

yeah it's supposed to be cancelled i typed that wrong
it is \[\frac{30}{\pi} rad/min\]

sorry i am making it complicated for you

Answer 17

no it's okay. :) i appreciate it tho.