Physics-
General
Easy
Question
The velocity of a body depends on time according to the equation u = 20 + 0.1t2 The body is undergoing:
- Uniform acceleration
- Uniform retardation
- Non–uniform acceleration
- Zero acceleration
The correct answer is: Non–uniform acceleration
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If then a+b= ___
If then a+b= ___
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The value of constant a>0 such that where [.] denotes G.I.F is
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Let be a differentiable function with and satisfying
Let be a differentiable function with and satisfying
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Area bounded by the curve and the line x+2y=4 is _____ sq. units
Area bounded by the curve and the line x+2y=4 is _____ sq. units
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Area of the figure contained between the parabola and the curve then K=
Area of the figure contained between the parabola and the curve then K=
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The area bounded by mini and
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then the value of
then the value of
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If is equal to where
If is equal to where
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If the primitive of then
If the primitive of then
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Physics-
Assertion : Two similar trains are moving along the equatorial line with the same speed but in opposite direction. They will exert equal pressure on the rails.
Reason : In uniform circular motion of magnitude of acceleration remains constant but the direction continuously changed.
Assertion : Two similar trains are moving along the equatorial line with the same speed but in opposite direction. They will exert equal pressure on the rails.
Reason : In uniform circular motion of magnitude of acceleration remains constant but the direction continuously changed.
Physics-General
Physics-
Assertion : As the frictional force increases, the safe velocity limit for taking a turn on an unbanked road also increases.
Reason : Banking of roads will increase the value of limiting velocity.
Assertion : As the frictional force increases, the safe velocity limit for taking a turn on an unbanked road also increases.
Reason : Banking of roads will increase the value of limiting velocity.
Physics-General
Physics-
A ball is rolled off the edge of horizontal table at a speed of 4m/sec. It hits the ground after 0.4 second. Which statement given below is true :
A ball is rolled off the edge of horizontal table at a speed of 4m/sec. It hits the ground after 0.4 second. Which statement given below is true :
Physics-General
physics-
A string of length L is fixed at one end and carries a mass M at the other end. The string makes 2/p revolutions per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is :
A string of length L is fixed at one end and carries a mass M at the other end. The string makes 2/p revolutions per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is :
physics-General