Kinetic energy of a particle moving in a...

Kinetic energy of a particle moving in a straight line varies with time `t` as `K = 4t^(2)`. The force acting on the particle

is constant

is increasing

is decreasing

first increases and then decreases

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

WORK, POWER AND ENERGY
DC PANDEY|Exercise B More than One Option is Correct|26 Videos
WORK, POWER AND ENERGY
DC PANDEY|Exercise C Comprehension Type Questions|18 Videos
WORK, POWER AND ENERGY
DC PANDEY|Exercise E Integer Type Questions|11 Videos
WORK, ENERGY AND POWER
DC PANDEY|Exercise MEDICAL ENTRACES GALLERY|33 Videos

Similar Questions

Explore conceptually related problems

The displacement of a particle of mass 2kg moving in a straight line varies with times as x = (2t^(3)+2)m . Impulse of the force acting on the particle over a time interval between t = 0 and t = 1 s is

Kinetic energy of a particle moving in a straight line is proportional to the time t. The magnitude of the force acting on the particle is :

The kinetic energy of a body moving along a straight line varies with time as shown in figure. The force acting on the body:

The position of a particle moving on a straight line depends on time t as x=(t+3)sin (2t)

The coordinates of a particle moving in XY-plane vary with time as x= 4t^(2), y= 2t . The locus of the particle is a : -

The kinetic energy K of a particle moving along a circle of radius R depends upon the distance s as K=as^2 . The force acting on the particle is

Velocity of a particle moving in a straight line varies with its displacement as v=(sqrt(4 +4s))m//s. Displacement of particle at time t =0 is s = 0 . Find displacement of particle at time t=2 s .

The coordinates of a particle moving in XY-plane very with time as x=4t^(2),y=2t . The locus of the particle is

DC PANDEY-WORK, POWER AND ENERGY-A Only One Option is Correct

Kinetic energy of a particle moving in a straight line varies with tim...
Text Solution
|
A particle of mass 2 kg starts moving in a straight line with an initi...
Text Solution
|
A particle moves move on the rough horizontal ground with some initial...
Text Solution
|
Two particles 1 and 2 are allowed to descend on the two frictionless c...
Text Solution
|
A body is displaced from (0,0) to (1 m, 1m) along the path x = y by a ...
Text Solution
|
A self-propelled vehicle of mass m, whose engine delivers a constant p...
Text Solution
|
A body is moved from rest along a straight line by a machine deliverin...
Text Solution
|
A forceF = (2hat(i)+5hat(j)+hat(k))N is acting on a particle. The part...
Text Solution
|
A vertical spring of force cosntant 100 N//m is attached with a hangin...
Text Solution
|
A partical is realeased from the top of two inclined rought surface of...
Text Solution
|
System shown in figure is released from rest . Pulley and spring is ma...
Text Solution
|
Force acting on a particale is (2hat(i)+3hat(j))N. Work done by this f...
Text Solution
|
An object of mass m slides down a hill of arbitrary shape and after tr...
Text Solution
|
A block of mass m slides down a rough inclined plane of inclination th...
Text Solution
|
A 1.5-kg block is initially at rest on a horizontal frictionless surfa...
Text Solution
|
In the above problem, the maximum positive displacement x is
Text Solution
|
A block of mass 1 kg is attached to one end of a spring of force const...
Text Solution
|
Two block of masses m(1) and m(2) connected by a light spring rest on ...
Text Solution
|
A block of mass m is attached with a massless spring of force constant...
Text Solution
|
The potential energy of a particle of mass m is given by U=(1)/(2)kx^(...
Text Solution
|