a) It is not good for health while sleeping under the tree during night
b) There is a chance of falling of branches
A) Both a & b are true, b explains a
B) Both a & b are true, b doesn’t explain a
C) a is true, b is false
D) a is false, b is true
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20. A coconut of mass \( 2 Kg \) is falling from a coconut free of height \( 10 m \). Find the potential energy, kinetic energy and total energy at the following points. \( \left( g =10 m / s ^{2}\right) \) a) Before falling from the coconut tree. b) Just before hilting the ground. c) At a height \( 4 m \) from the ground. d) Which law is evident from this example?
(a) Given m = 2 kg h = 10 m Potential energy at before falling from the coconut tree. u = mgh u = 2 x 10 x 10 u = 200 joule Kinetic energy will...
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B) Political parties
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Always carry a ………… while walking at night time
Always carry a torch while walking at night time
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C) constant direction
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1. Pyruvate dehydrogenase (PDH) requires thiamin (vitamin Bi) as a coenzyme. It cannot function in absence of vitamin B1 . 2. Thiamin deficiency causes many disorders such as pyruvic acidosis and...
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Once while Sir Isaac Newton was sitting under a tree, an apple fell to the ground.
Correct option is C) a and d
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An apple is falling from a tree. The forces acting on it
option B is correct Gravitational
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72% of 25 students got good narks in Mathematics, then how may people did not score good marks ?
Correct option is D) 7
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72% of 25 students got good narks in Mathematics, then how may people did not score good marks ?
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During a pole vault jump, the impact is reduced by falling on a foam bed.
When the change in momentum is a constant, the force acting on a body will be inversely proportional to the time taken. As time increase, the force acting decreases and...
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