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a(t)=ddtv(t) is the mathematical formula for which of the following?

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Important Questions on Motion and Its Laws

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Science>Physics>Motion and Its Laws>Types of Motions

The acceleration is taken to be positive if it is?

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Science>Physics>Motion and Its Laws>Types of Motions
Negative acceleration is termed as _____ in Kinematics.
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Science>Physics>Motion and Its Laws>Types of Motions
Acceleration is a vector unit same as velocity where velocity could change its magnitude or direction, or both therefore change in acceleration can be noticed in its _____.
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Science>Physics>Motion and Its Laws>Types of Motions
If a body has zero acceleration then which of the following statements about its velocity is true?
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Science>Physics>Motion and Its Laws>Types of Motions
Which of the following forces acts on a body when it is under free fall in a vacuum?
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Science>Physics>Motion and Its Laws>Types of Motions
When a body whose velocity is decreasing with time then the acceleration will act _____ to the velocity.
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Science>Physics>Motion and Its Laws>Types of Motions
Which of these is not an example of uniform-circular motion?
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Science>Physics>Motion and Its Laws>Types of Motions
While teaching the topic on 'Motion and Time' to Class VII students, Savita gave examples of different kinds of motion to the students. Which one of the following examples was quoted by her incorrectly?
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Science>Physics>Motion and Its Laws>Types of Motions
If a body is dropped from a high tower and if the viscosity of the air is neglected then the motion is termed as _____.
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Science>Physics>Motion and Its Laws>Types of Motions
v=v0+v2 is the equation for the representation of the fact that the acceleration is _____.
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Science>Physics>Motion and Its Laws>Types of Motions
Which of the following options correctly depicts the unit of acceleration?
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Science>Physics>Motion and Its Laws>Types of Motions
Acceleration due to gravity does not depend on which of the following physical quantities?
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Science>Physics>Motion and Its Laws>Types of Motions
If the particle has the velocity of 6ms initially and the final velocity is 8ms at t=0, then what will be the constant acceleration at t=1?
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Science>Physics>Motion and Its Laws>Types of Motions
Which of the following is true about a body falling freely under the action of gravity?
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Science>Physics>Motion and Its Laws>Types of Motions
A feather of 5 gm and rod of 10 gm have same kinetic energies. Which statement about the linear momentum of both objects is correct?
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Science>Physics>Motion and Its Laws>Types of Motions
Which of the following options about acceleration is wrong?
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Science>Physics>Motion and Its Laws>Types of Motions
A particle of mass m is projected vertically and a t=0 it is a its top most point (at height H). It now explodes into two particles of equal mass. The first particle to hit the ground falls vertically and hits it in time T. Find time taken by the other particle to hit the ground.
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Science>Physics>Motion and Its Laws>Types of Motions
The initial speed of a runner is 100 m/s and final speed is 20 m/s. The length of the track is 100 m. Find the acceleration achieved by the runner _____.
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Science>Physics>Motion and Its Laws>Types of Motions
What will be the body height if the mass given is 3kg and it reaches the ground after 5 seconds?
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Science>Physics>Motion and Its Laws>Types of Motions
We know when a body is under free fall motion the acceleration is constant and whose magnitude is _____ m/s2.