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Recent questions tagged work
+2
votes
1
answer
How does the existence of a large urban population affect each of the following? Illustrate with historical examples A leader of a political party
asked
Apr 7, 2019
in
Class 10
by
kratos
work
class-10
work-life-and-leisure
life and leisure
+1
vote
1
answer
5 carpenters can earn Rs 540 in 6 days working 9 hours a day.
asked
Apr 7, 2019
in
Class 12
by
kratos
work
ratio and proportion
class-6
class-12
time
+1
vote
1
answer
If momentum is increased by 20% then K.E increases by (A) 44% (B) 55% (C) 66%
asked
Apr 7, 2019
in
JEE
by
kratos
work
collisions
class-11
jee
energy and power
jee mains
+2
votes
1
answer
In a hydro-electric generating station, the mean head (i.e. the difference of height between the mean level of the water
asked
Apr 7, 2019
in
Class 9
by
kratos
work
class-9
power and energy
+1
vote
1
answer
Two bodies, A and B, of equal mass are kept at heights 20m and 30m respectively.
asked
Apr 6, 2019
in
Class 10
by
kratos
work
energy
energy and power
class-10
icse
force
power
+1
vote
1
answer
A simple pendulum consists of a bob of mass 1.8 kg attached to a string of length 2.3m.
asked
Apr 6, 2019
in
JEE
by
kratos
work
waves
dynamics
oscillations
class-11
jee
energy and power
jee mains
+2
votes
1
answer
Statement - I: In an elastic collision of two billiards *****, the kinetic energy is not conserved
asked
Apr 6, 2019
in
Class 12
by
kratos
work
neet
work energy and power
class-11
aiims
energy and power
+2
votes
1
answer
A, B and C can do a job in 6 days, 12 days and 15 days respectively. After 1/8 of the work is completed,
asked
Apr 6, 2019
in
Mathematics
by
kratos
work
time
+1
vote
1
answer
Write the advantages of solar cells.
asked
Apr 5, 2019
in
Class 10
by
kratos
work
cbse
energy and power
class-10
icse
force
sources of energy
+1
vote
1
answer
Two identical ball bearings in contact with each other and resting on a frictionless table are hit head-on by another
asked
Apr 5, 2019
in
Class 11
by
kratos
work
work energy and power
class-11
energy and power
+1
vote
1
answer
The turning effect produced in a rigid body around a fixed point by the application of force is called; (a) turning force (b) movement of force
asked
Apr 5, 2019
in
Class 10
by
kratos
work
energy and power
class-10
icse
force
+2
votes
1
answer
State the energy changes in the following devices while in use: 1. A loud speaker.
asked
Apr 5, 2019
in
Class 11
by
kratos
work
energy
class-11
energy and power
class-10
icse
force
power
+1
vote
1
answer
If kinetic energy is doubled, then its momentum becomes n times, here n is :
asked
Apr 5, 2019
in
Class 12
by
kratos
work
neet
work energy and power
aiims
jee
energy and power
class-10
jee mains
+1
vote
1
answer
How many men need to be employed to complete the whole job in 5 days, If 15 men can complete 1/3 of the job in 7 days ?
asked
Apr 5, 2019
in
Mathematics
by
kratos
work
time
+3
votes
1
answer
Calculate the minimum distance between point of application of force and axis of rotation of a rigid body,
asked
Apr 4, 2019
in
Class 10
by
kratos
work
energy and power
class-10
icse
force
+3
votes
1
answer
What is meant by Work Done by a Constant Force ?
asked
Apr 4, 2019
in
Class 11
by
kratos
work
energy
class-11
power
+3
votes
1
answer
The work done by the force vector F = A(y^2i + 2x^2j), where A is a constant and x & y are in meters around the path shown is:
asked
Apr 4, 2019
in
JEE
by
kratos
work
energy
jee
vectors
class-11
jee mains
power
+2
votes
1
answer
What is the difference between renewable and non-renewable resources?
asked
Apr 3, 2019
in
Class 10
by
kratos
work
energy and power
class-10
icse
force
+2
votes
1
answer
Why is it easier to open a door by applying the force at the free end of it?
asked
Apr 3, 2019
in
Class 10
by
kratos
work
class-10
laws of motion
icse
force
energy and power
+3
votes
1
answer
A and B can do a piece of work in 72 days. B and C can do it in 120 days. A and C and do it in 90 days.
asked
Apr 3, 2019
in
Mathematics
by
kratos
work
time
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