The wheel of a railway carriage is 40 cm. in daimeter and makes 6 revolutions in a second, how fast is the train going ?

The wheel of a railway carriage is 40cm in diameter and makes 6 revolutions in a second, how fast is the train going?

The wheel of a railway carriage is 40 cm in diameter and makes 7 revolutions in a second, find the speed of train.

A stone tied to end of a string 80 cm long is whirled in a horizontal plane with a constant speed. If the stone makes 14 revolutions in 25 seconds, what is the magnitude and direction of acceleration of the stone ?

An express train is running between two stations with a uniform speed. If the diameter of each wheel of the train is 42 cm and each wheel makes 1200 revolutions per minutes, find the speed of the train.

An express train is running between two stations with a uniform speed. If the diameter of each wheel at the train is 42 cm and each wheel makes 1200 revolutions per minute, Find the speed of the train.

If the wheel of a bus with 50 cm radius makes 280 revolutions per minute, find the speed of the bus in km/h

The diameter of a wheel of a car is 98 cm. How many revolutions will it make to travel 6160 metres.

The diameters of front and rear wheels of a tractor are 80 cm and 2m respectively. Find the number of revolutions that rear wheel will make in covering a distance in which the front wheel makes 1400 revolutions.

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

A particle is tied to the end of a string of length 20 cm and makes 5 rps. How many revolutions will it make in one second when the string is shortened to 10 cm ?