Home
Class 14
MATHS
The wheel of a car has 210 cm diameter. ...

The wheel of a car has 210 cm diameter. How many revolutions per minute must the wheel make so that the speed of the car is kept at 120 km/h?
एक कार के पहिये का व्यास 210 cm है। पहिया प्रति मिनट कितने चक्कर लगाना चाहिए ताकि कार की गति 120 किमी / घंटा रखी जाए?

A

`326.42`

B

245

C

289

D

`303.03`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

A wheel of a motor bike has radius 35 cm . How many revolutions per minute must the wheel make so that the speed of the bike is 33 km/hr ?

The wheel of a motor cycle is of radius 35 cm. How many revolutions per minute must the wheet make, so as to keep a speed of 66 km/h ?

The diameter of the driving wheel of a bus is 140 cm. How many revolutions per minute must the wheel make in order to keep a speed of 66 km per hour?

The diameter of the driving wheel of a bus is 140cm. How many revolutions per minute must the wheel make in order to keep a speed of 66km per hour?

The wheels of a car are of diameter 80cm each.How many complete revolutions does each wheel make in 10 minutes when the car is travelling at a speed of 66km per hour?

The diameter of a wheel is 70 cm. It completes 600 revolutions in 1 minute. The speed, in km/h, of the vehicle is: (Take pi=22/7 ) एक पहिये का व्यास 70 सेमी है | यह 1 मिनट में 600 चक्कर लगाता है | वाहन की चाल ( किमी/घंटा में ) है:

A car has wheels which are 80cm in diameter. How many complete revolutions does each wheel make in 10 minutes when the car is travelling at a speed of 66km per hour?

Each wheel of a bus is making 7 revolutions per second. If the diameter of a wheel is 56 cm, then the speed of the bus (in m/sec) would be: एक बस का प्रत्येक पहिया प्रति सेकंड 7 चक्कर लगा रहा है। यदि पहिये का व्यास 56 cm है, तो बस की गति कितनी (cm/s) होगी?