A position dependent force F=(7-2x+3x^2)...

A position dependent force F=(7-2x+`3x^2`)N acts on a small body of mass 2 kg and displaces it from x=0 to x=5m. Work doen in joule is .

135

270

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

WORK,ENERGY AND POWER
BINA LIBRARY|Exercise EXERCISE|83 Videos
WAVES
BINA LIBRARY|Exercise EXERCISE|97 Videos

Similar Questions

Explore conceptually related problems

A constant force acting on a body of mass 3.0 kg changes its speed from 2.0 m s^-1 to 3.5 m s^-1 in 25 s. The direction of the motion of the body remains unchanged. What is the magnitude and direction of the force?

Certain force acting on a 20 kg mass changes its velocity from 5 m s^-1 to 2m s^-1 . Calculate the work done by the force.

A particle is moving along x-axis from x = 0 to x = 5 under the influence of force F = 7-2x + 3x^2 .

A body of mass 2 kg initially at rest moves under the action of 0 an applied horizontal force of 7 N on a table with coefficient of kinetic friction= 0.1. Compute the (a) work done by the applied force in 10 s, .

A body of mass 2 kg initially at rest moves under the action of 0 an applied horizontal force of 7 N on a table with coefficient of kinetic friction= 0.1. Compute the work done by friction in 10 s,

Two bodies whose masses are m_1 = 50 kg and m_2 150g are tight by a string and placed in a horizontal surface. When m_1 is pulled by a force F and acceleration of 5ms^-2 is produced in both the bodies. Calculate the value of F and tension in the strong.

If x=1 and x=-3 as the roots of 3x^2+2mx+3n=0 ,then find m and n.

A body constrained to move in y directions is sunjected to a force F= (-2hati+15hatj+6hatk) N. What is the work doen by the force in moving through a distance of 10 m along the y-axis?

Find the second derivative of : (i) 2x^3 - 3x^2 + 5x - 7

Find force required in accelerating a 3 kg mass at 5 m/s2 and a 4 kg mass at 4 m/s2

BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE

A block of mass 2 kg moving at 2.0m/s collides with another block of e...
Text Solution
|
A block of 1.2 kg moving at 20 cm/s collides head-on with a simmilar b...
Text Solution
|
A position dependent force F=(7-2x+3x^2)N acts on a small body of mass...
Text Solution
|
A body constrained to move in y directions is sunjected to a force F=(...
Text Solution
|
The K.E acquired by a mass m travelling a certain distance d starting ...
Text Solution
|
A 4 kg mass and a 1 kg mass are moving with equal K.E.The ratio of the...
Text Solution
|
If the momentum of a body increases by 50%,its K.E,increases by
Text Solution
|
A ball whoes K.E is K is projected at an angle 45° to the horizental.T...
Text Solution
|
A stationary particle explodes into two particle of masses m1 and m2 ...
Text Solution
|
Two bodies with K.E in ratio 4:1 are moving with equal linear momentum...
Text Solution
|
The P.E of a string when stretched by 2 cm is U.Its P.E when stretched...
Text Solution
|
A spring of force constant 800 N/m has an extension of 5 cm . The wor...
Text Solution
|
If water falls from a dam into a turbine wheel 19.6m below ,the veloc...
Text Solution
|
An elastic ball is dropped from a height to 100m.It lose s 20% of its ...
Text Solution
|
A ball dropped from a height og h.If the co-efficient of restitution b...
Text Solution
|
A ball of mass m moving with a constant velocity strikes against a ba...
Text Solution
|
Two particle of masses 1 g and 4g are moving with equal K.E. What is t...
Text Solution
|
A body of mass m is moved to a height to equal to the radius of earth....
Text Solution
|
The momentum of a body is doubled. Its K.E will
Text Solution
|
A wound spring has
Text Solution
|