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Recent questions tagged gravitation
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A person can jump 1.2 m on Earth. How high can he jump on a planet whose density is 1/3rd and radius is 4 times that of Earth,
asked
Apr 7, 2019
in
JEE
by
kratos
gravitation
class-11
jee mains
jee
cbse
work and energy
+3
votes
1
answer
The gravitational field intensity at a point 10,000 km from the centre of the earth is 4.8 N kg^–1. Calculate gravitational potential at that point.
asked
Apr 7, 2019
in
Class 12
by
kratos
neet
class-11
jee
jee mains
gravitation
+2
votes
0
answers
A stone is allowed to fall from the top of a tower 100m high and at the same time another stone is projected vertically upwards
asked
Apr 7, 2019
in
Class 11
by
kratos
gravitation
motion in a straight line
cbse
class-11
kinematics
motion in a plane
+1
vote
1
answer
Which one among the following is the correct order of power consumption for light of equal intensity ?
asked
Apr 6, 2019
in
Class 12
by
kratos
electromagnetic waves
class-11
class-9
class-12
gravitation
income determination
+2
votes
1
answer
Acceleration-time graph of a particle in SHM is as shown in figure. Match the following columns
asked
Apr 6, 2019
in
JEE
by
kratos
jee
simple harmonic motion
jee mains
gravitation
heat
+2
votes
1
answer
A ring of radius R = 4 m is made of a highly dense material. Mass of the ring is m1 = 5.4 x 10^9 kg distributed
asked
Apr 6, 2019
in
JEE
by
kratos
irodov
gravitation
jee
jee mains
+2
votes
1
answer
A uniform rod of length L and mass M is pivoted at the center. Its two ends are attached to two springs of equal spring constants k.
asked
Apr 6, 2019
in
JEE
by
kratos
jee
simple harmonic motion
jee mains
gravitation
heat
+3
votes
1
answer
What do we mean by cutting the surface with finger? (See below)
asked
Apr 6, 2019
in
Class 11
by
kratos
a wrong man in workers paradise
class-8
class-11
some natural phenomena
class-10
gravitation
+3
votes
1
answer
The gravitational intensity at the centre of a hemispherical shell of uniform mass density has the direction
asked
Apr 6, 2019
in
JEE
by
kratos
class-11
gravitation
jee
jee mains
+2
votes
1
answer
The escape speed of a projectile on the earth’* surface is 11.2 km *^–1 . A body is projected out with thrice this speed.
asked
Apr 5, 2019
in
Class 12
by
kratos
neet
class-11
jee
aiims
jee mains
gravitation
+2
votes
1
answer
Why are quilts filled with fluffy cotton ?
asked
Apr 5, 2019
in
JEE
by
kratos
temperature
jee
class-7
icse
simple harmonic motion
the first law of thermodynamics
jee mains
gravitation
heat
+3
votes
1
answer
From the given figure describing the photoelectric effect it may be inferred that
asked
Apr 5, 2019
in
Class 12
by
kratos
d-and f- block elements
neet
force and motion
aiims
class-12
aiims 2019
gravitation
+3
votes
1
answer
Seven particles, each of mass m are placed at the seven corners of a cube of side 'a', but one corner is vacant, as shown in figure.
asked
Apr 5, 2019
in
Class 12
by
kratos
rotational motion
neet
class-11
jee
aiims
jee mains
gravitation
+2
votes
1
answer
The length of a metal wire is l1 when the tension in it is T1 and is l2 when the tension is T2.
asked
Apr 4, 2019
in
JEE
by
kratos
mechanical properties of solids
cbse
jee main 2021
class-11
jee
elasticity
class-12
simple harmonic motion
jee mains
jee main
gravitation
heat
+2
votes
1
answer
Two satellites A and B go round a planet in circular orbits having radii 4R and R respectively
asked
Apr 4, 2019
in
JEE
by
kratos
gravitational
class-11
jee
jee mains
gravitation
+2
votes
1
answer
Moment of inertia of an ellipse shaped wire of mass ‘m’, semimajor axis ‘a’ about an axis passing
asked
Apr 4, 2019
in
JEE
by
kratos
motion of system of particles
class-11
jee
rigid bodies
jee mains
gravitation
+3
votes
1
answer
Give one example to illustrate that heat can be generated from the energy of motion.
asked
Apr 4, 2019
in
Physics
by
kratos
jee
class-6
class-7
molecular physics
simple harmonic motion
jee mains
icse
gravitation
heat
+1
vote
1
answer
What is a geostationary satellite and explain binding energy of a satellite
asked
Apr 3, 2019
in
JEE
by
kratos
jee main 2021
class-11
jee
jee main
gravitation
+1
vote
1
answer
A sky lab of mass 2 x 10^3 kg is first launched from the surface of earth in a circular orbit of radius 2R
asked
Apr 3, 2019
in
JEE
by
kratos
irodov
gravitation
jee
jee mains
+2
votes
1
answer
Find the potential energy of the gravitational interaction (a) of two mass points of masses m1 and m2 located at a distance r from each other;
asked
Apr 3, 2019
in
JEE
by
kratos
class-11
gravitation
jee
jee mains
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