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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
The velocity of a body of mass 10 kg increases from 4 m/s to 8 m/s when a force acts on it for 2 s. (a) What is the momentum before the force acts? (b) What is the momentum after the force acts?
4 years ago
Forum
Force and Laws of Motion
Replies: 0
Views: 290
Topic
How long will it take a force of 10 N to stop a mass of 2.5 kg which is moving at 20 m/s?
4 years ago
Forum
Force and Laws of Motion
Replies: 0
Views: 129
Topic
For how long should a force of 100 N act on a body of 20 kg so that it acquires a velocity of 100 m/s?
4 years ago
Forum
Force and Laws of Motion
Replies: 0
Views: 290
Topic
A car of mass 2400 kg moving with a velocity of 20 m s^-1 is stopped in 10 seconds on applying brakes. Calculate the retardation and the retarding force.
4 years ago
Forum
Force and Laws of Motion
Replies: 0
Views: 112
Topic
Montreal protocol aims at (1) Control of CO2 emission (2) Biodiversity conservation
4 years ago
Forum
Biology
Replies: 0
Views: 90
Topic
DDT residues are rapidly passed through food chain causing biomagnification because DDT is
4 years ago
Forum
Biology
Replies: 0
Views: 100
Topic
Chipko movement was launched for the protection of
4 years ago
Forum
Biology
Replies: 0
Views: 173
Topic
The bacterium Bacillus thuringiensis is widely used in contemporary biology as
4 years ago
Forum
Biology
Replies: 0
Views: 187
Topic
A renewable exhaustible natural resource is (1) minerals (2) coal (3) forest (4) petroleum
4 years ago
Forum
Biology
Replies: 0
Views: 233
Topic
World Summit on Sustainable Development (2002) was held in
4 years ago
Forum
Biology
Replies: 0
Views: 87
Topic
Global agreement in specific control strategies to reduce the release of ozone depleting substances was adopted by
4 years ago
Forum
Biology
Replies: 0
Views: 247
Topic
Biochemical Oxygen Demand (BOP) in a river water
4 years ago
Forum
Biology
Replies: 0
Views: 204
Topic
Which of the following plant species you would select for the production of bioethanol?
4 years ago
Forum
Biology
Replies: 0
Views: 92
Topic
Steps taken by the Government of India to control air pollution include
4 years ago
Forum
Biology
Replies: 0
Views: 110
Topic
In a coal fired power plant, electrostatic precipitators are installed to control emission of
4 years ago
Forum
Biology
Replies: 0
Views: 96
Topic
Which one of the following is not a bioindicator of water pollution?
4 years ago
Forum
Biology
Replies: 0
Views: 99
Topic
According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health?
4 years ago
Forum
Biology
Replies: 0
Views: 216
Topic
Which one of the following is being tried in India as a biofuel substitute for fossil fuels?
4 years ago
Forum
Biology
Replies: 0
Views: 72
Topic
Which one of the following is the correct percentage of the two (out of the total of 4) greenhouse gases that contribute to total global warming?
4 years ago
Forum
Biology
Replies: 0
Views: 111
Topic
Which one of the following pairs is mismatched? (1) Solar energy - green house effect (2) Fossil fuel burning - release of CO2
4 years ago
Forum
Biology
Replies: 0
Views: 190
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