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BidishaKashayap1333
@bidishakashayap1333
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Joined: Oct 11, 2021
Last seen: Jul 27, 2023
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Topics: 2174 / Replies: 0
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Topic
State whether the following objects possess kinetic energy, potential energy, or both:
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 65
Topic
How fast should a man of 50 kg run so that his kinetic energy will be 625 J?
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 328
Topic
Which would have a greater effect on the kinetic energy of an object doubling the mass or doubling the velocity?
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 118
Topic
On what factors does the kinetic energy of a body depend?
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 108
Topic
If the speed of a body is halved, what will be the change in its kinetic energy?
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 310
Topic
Write an expression for the kinetic energy of a body of mass m moving with a velocity v.
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 244
Topic
By how much will the kinetic energy of a body increase if its speed is doubled?
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 253
Topic
What is the work done against gravity when a body is moved horizontally along a frictionless surface?
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 211
Topic
What are the units of (a) work (b) energy?
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 71
Topic
Is energy a vector quantity?
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 199
Topic
What is the condition for a force to do work on a body?
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 84
Topic
Define 1 joule of work.
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 78
Topic
Is work a scalar or a vector quantity?
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 185
Topic
State the SI unit of work.
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 102
Topic
How much work is done when a body of mass m is raised to a height h above the ground?
4 years ago
Forum
Work, Power And Energy
Replies: 0
Views: 107
Topic
A 1 kg sheet of tin sinks in water but if the same sheet is converted into a box or boat, it floats. Why?
4 years ago
Forum
Gravitation
Replies: 0
Views: 341
Topic
A boy gets into a floating boat. (a) What happens to the boat? (b) What happens to the weight of water displaced?
4 years ago
Forum
Gravitation
Replies: 0
Views: 257
Topic
When a golf ball is lowered into a measuring cylinder containing water, the water level rises by 30 cm^3 when the ball is completely submerged.
4 years ago
Forum
Gravitation
Replies: 0
Views: 124
Topic
A beaker full of water is suspended from a spring balance. Will the reading of the balance change: (a) if a cork is placed in water? (b) if a piece of heavy metal is placed in it? Give reasons for your answer.
4 years ago
Forum
Gravitation
Replies: 0
Views: 160
Topic
If a fresh egg is put into a beaker filled with water, it sinks. On dissolving a lot of salt in the water, the egg begins to rise and then floats. Why?
4 years ago
Forum
Gravitation
Replies: 0
Views: 287
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