A body of mass 0.5 kg initially at rest ...

A body of mass 0.5 kg initially at rest is accelerating , due to a time dependent force `[barF= {t hat i + sqrt(t) hat j}]` N then instantaneous power developed due to this force at t = 3 s will be

29 W

39 W

49 W

59 W

Text Solution

AI Generated Solution

Topper's Solved these Questions

TEST 6
AAKASH INSTITUTE|Exercise EXAMPLE|177 Videos
TEST 9
AAKASH INSTITUTE|Exercise EXAMPLE|61 Videos

Similar Questions

Explore conceptually related problems

A body of mass 1 kg begins to move under the action of a time dependent force vec F = (2 t hat I + 3 t^(2) hat j) N , where hat i and hat j are unit vectors along x-and y-axes. What power will be developed by the force at the time t ?

A body of mass 1 kg is acclerated uniformly from rest to a speed of 5 m/s in 4 sec. What is the instantaneous power delivered to the body at time t? (Assume t lt 4 sec.)

A body moves under the action of a constant force along a straight line. The instantaneous power developed by this force with time t is correctly represented by.

A force of 5.0 N acts on a 15 kg body initially at rest. Compute the work done by the force in (a) the first, (b) the second, and (c) the third seconds and (d) the instantaneous power due to the force at the end of the third second.

A body of mass 1kg begins to move under the actio of a time dependent force vec(F)=(2t hat(i)+3t^(2) hat(j))N , where hat (i) and hat(j) are unit vectors along X and Y axis. What does will be developed by the source at time t ?

A body of mass 1 kg begins to move under the action of a time dependent force F=(2that(i)+3t^(2)hat(j))N, "where" hat(i)and hat(j) are unit vector along x and y axis. What power will be developed by the force at the time?

A force 3hat i+4 hat j - 5 hatk N is acting on a particle. If the velocity of particle at an instant is 2hati + 2 hat j + 2 hatk m/s , find the instantaneous power developed by the force (in watts).

A block of mass 1kg start moving with constant acceleration a=4m//s_(2) Find. (a) average power of the net force in time inteval from t=0 to t=2s , (b) instantaneous power of the net force at t=4 s .

AAKASH INSTITUTE-TEST 7-Exercise

If the equation of a travelling wave is given as y = 40 cos (1600t + 6...
Text Solution
|
Five moles of oxygen gas is heated from 40°C to 70°C at constant press...
Text Solution
|
A body of mass 0.5 kg initially at rest is accelerating , due to a tim...
Text Solution
|
Two stones A and B are whirled in different horizontal circular paths....
Text Solution
|
A container containing Ice at 0°C and having outside surface area (1.6...
Text Solution
|
A Carnot engine, used as refrigerator absorbs 380 J energy in one cycl...
Text Solution
|
The power radiated by a blackbody is P at a certain temperature. If po...
Text Solution
|
The degree of freedom of mixture of two ideal gases having moles n1 an...
Text Solution
|
At the height h above the earth's surface the acceleration due to grav...
Text Solution
|
A body of mass m is thrown from a equal to radius of earth (R) from ea...
Text Solution
|
Let the sun contracts due to self-gravity and it becomes a black hole....
Text Solution
|
If a cup of tea cools from 80°C to 72°C in 5 minutes and from 72 C to ...
Text Solution
|
A wire of length is stretched by a force F to cause an extension x. An...
Text Solution
|
A satellite revolves in a circular orbit at a height of1.6 × 10^6 m ab...
Text Solution
|
The extra pressure required to decrease the volume of a liquid of Bulk...
Text Solution
|
Twenty seven similar mercury drops are falling through water with term...
Text Solution
|
Weight of a solid is 250 g in air, 50 g in unknown liquid and 150 g in...
Text Solution
|
A sample of 0.5 g water at 100°C and 1 atm pressure requires 270 cal h...
Text Solution
|
An object having kinetic energy of 50 J is moving with linear momentum...
Text Solution
|
A pump of power P ejects M kg water per second through a horizontal pi...
Text Solution
|