A roller 2 m long and 0.7 m in diameter ...

A roller 2 m long and 0.7 m in diameter makes 60 revolutions in a minute on a road. The sea rolled by it is:

`264m^2`

`132m^2`

`66m^2`

`528m^2`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

AREA AND VOLUME
MAHENDRA|Exercise Exercise|45 Videos
AVERAGE
MAHENDRA|Exercise EXERCISE|25 Videos

Similar Questions

Explore conceptually related problems

A cycle wheel 12 metalli spokes each 0.2 m long. It make 60 revolutions in 1 minute in a phane normal to earth's magnetic field of 0.4 xx 10^(-4) T. Calculate the induced e.m.f. between the axle and rim of the wheel.

A wheel of radius 2.1 m of a vehicle makes 75 revolutions in one minute. What is the speed of the vehicle ?

The wheels of the locomotive of a train are 2.1 m in radius. They make 75 revolutions in one minute. Find the speed of the train in km per hour.

The diameter of a roller, 1 m long, is 84 cm. If it takes 500 complete revolutions to level a playground, the area of the playground is

A roller 1.5 m long has a diameter of 70cm. How many revolutions will it make to level a play gound measuring 50mxx33m ?

A body of mass 5 kg is reoving in a circle of diameter 0. 30m making 2000 revolutions in (2) minutes, Calculate the linear velocity and centripetal acceleration.

A wheel is 0.25m in radius . When it makes 15 revolutions per minute, its linear speed at a point on circumference is

The diameter of roller 1.5m long is 84cm. If it takes 100 revolutions to level a playground, find the cost of levelling this ground at the rate of 50 paise per square metre.

A ball of mass 0.12 kg is being whirled in a horizontal circle at the end of a string 0.5 m long. It is capable of making 231 revolutions in one minute. Find the breaking tension of the string

MAHENDRA-AREA AND VOLUME -Exercise

Area of four walls of a room is 168 m^2. The breadth and height of the...
Text Solution
|
The cost of papering four walls of a room is Rs. 48. Each one of lengt...
Text Solution
|
The length of rectangular plotis 144 m and its area is same as that of...
Text Solution
|
The perimeters of both, a square and a rectangle are each equal to 48 ...
Text Solution
|
The area of a parallelogram is 72 cm^2 and its altitude is twice the c...
Text Solution
|
If each edge of a cube is 6 cm, then find the diagonal of cube.
Text Solution
|
Find the volume of a cube whose surface area is 54 square meter
Text Solution
|
Length of diagonal of a cube is 10sqrt3 cm, find its volume.
Text Solution
|
The volume of a cuboid is 1728 cm^3.If height of the cuboid is 12 cm, ...
Text Solution
|
Total surface area of a cuboid is 846 cm^2. If ratio of its length, br...
Text Solution
|
The base radi of two right circular cylinders are in the ratio of 1:2 ...
Text Solution
|
A roller 2 m long and 0.7 m in diameter makes 60 revolutions in a minu...
Text Solution
|
The volume of a cylinder is 924 m^3 and its curved surface area is 264...
Text Solution
|
The diameter of a cylinder is 14 cm and its height is 20 cm. Then curv...
Text Solution
|
The radius of the base of a cone is 21 cm and the height is 20 cm. Fin...
Text Solution
|
The volume and heigh of a right circular cone are 1232 cm^(3) and 24 ...
Text Solution
|
The Diameters of two cones are equal. If their slant heights are in th...
Text Solution
|
Find the surface area of a sphere whose volume is 4851m^3
Text Solution
|
Find the radius of the sphere whose curved surface area is 64pi Cm^2
Text Solution
|
If the volume and surface area of a sphere are numerically the same, t...
Text Solution
|