Physics

#### A goods train is moving with constant acceleration. when engine passes through a signal its speed is U. Midpoint of the train passes the signal with speed V. What will be the speed of the last wagon?

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#### Answer:The correct answer is:

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physics

#### A particle moves in one direction with acceleration 2 MS^{-2} and initial velocity 3MS^{-1} . After what time its displacement will be 10 m ?

#### A particle moves in one direction with acceleration 2 MS^{-2} and initial velocity 3MS^{-1} . After what time its displacement will be 10 m ?

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physics

#### Displacement of a particle in Y direction is given by y=t^{2}-5t+5 where t is in second Calculate the time when its velocity is zero.

#### Displacement of a particle in Y direction is given by y=t^{2}-5t+5 where t is in second Calculate the time when its velocity is zero.

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#### The area under acceleration versus time graph for any time interval represents...

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#### A ball is thrown vertically upward. What is the velocity and acceleration of the ball at the maximum height?

#### A ball is thrown vertically upward. What is the velocity and acceleration of the ball at the maximum height?

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#### The relation between velocity and position of a particle is V=AX+B whore A and B Acceleration of the particle is 10 ms^{2} when its velocity is , How much is the acceleration when its velocity is 2V.

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#### The minimum distance in which a car can be stopped is X. The velocity of the car is V. If the velocity is 2V then find the stopping distance.

#### The minimum distance in which a car can be stopped is X. The velocity of the car is V. If the velocity is 2V then find the stopping distance.

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#### A particle moves on a plane along the path Y=Ax^{3}+B in such a way that , B are constants. Calculate the acceleration of the particle.

#### A particle moves on a plane along the path Y=Ax^{3}+B in such a way that , B are constants. Calculate the acceleration of the particle.

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physics

#### Motion of a particle is described by an equation V= where v,y and A are velocity distance and a constant respectively. Find the acceleration of the particle.

#### Motion of a particle is described by an equation V= where v,y and A are velocity distance and a constant respectively. Find the acceleration of the particle.

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physics

#### The relation between velocity and position of a particle is given by V=. Its initial velocity is zero. Find its velocity at time t=

#### The relation between velocity and position of a particle is given by V=. Its initial velocity is zero. Find its velocity at time t=

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#### An object moves in x-y plane. Equations for displacement in x and y direction are x=3sin 2t. and y=3cos2t Speed of the particle is

#### An object moves in x-y plane. Equations for displacement in x and y direction are x=3sin 2t. and y=3cos2t Speed of the particle is

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physics

#### Motion of a particle is described by x=(t-2)^{2} Find its velocity when it passes through origin.

#### Motion of a particle is described by x=(t-2)^{2} Find its velocity when it passes through origin.

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#### To introduce a vector quantity.....

#### To introduce a vector quantity.....

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physics

#### Which pair of two vectors is antiparallel

#### Which pair of two vectors is antiparallel

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#### In the above figure and are two vectors. What from followings is true

#### In the above figure and are two vectors. What from followings is true

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physics

#### Two particles P and Q get 5m closer each second while travelling in opposite direction. They get 1 m closer each second while travelling in same direction. The speeds of P and Q are respectively ..

#### Two particles P and Q get 5m closer each second while travelling in opposite direction. They get 1 m closer each second while travelling in same direction. The speeds of P and Q are respectively ..

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