Self Studies

Motion Test - 4...

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  • Question 1
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    A steel ball is bouncing up and down on a steel plate with a period of oscillation 1 second. If g=10 ms2g=10  { m }{ { s }^{-2 } }, then it bounces up to a height of

  • Question 2
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    Two objects of mass ratio 1:41 :4 are dropped from the same height. Then

  • Question 3
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    A body is thrown vertically upwards with an initial velocity uu. The expression for the maximum height attained by the body is

  • Question 4
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    Two stones are thrown from the top of a tower, one straight down with an initial speed uu and the second straight up with the same speed uu. When the two stones hit the ground, they will have speeds in the ratio

  • Question 5
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    Statement 1:Two balls of different masses are thrown vertically upward with same speed.They will pass through their point of projection in downward direction with the same speed.
    Statement 2:The maximum height and downward velocity attained at the point of projection are independent of the mass of the ball

  • Question 6
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    A body dropped from a height hh with an initial speed zero, strikes the ground with a velocity 3 km/h3\ { km }/{ h }. Another body of same mass dropped from the same height hh with an initial speed u=4  km/hu=4\   { km }/{ h}. Find the final velocity of second mass, with which it strikes the ground.

  • Question 7
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    Two balls of masses in ratio 1:21 : 2 are dropped from the same height. Find the ratio between their velocities when they strike the ground:

  • Question 8
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    If a particle moves in a circle with constant speed, its velocity :

  • Question 9
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    A rubber ball is dropped from a height of 5 m5  m on a planet where the acceleration due to gravity is same as that on the surface of the earth. On bouncing, it rises to a height of 1.8 m1.8  m. the ball loses its velocity by a factor of

  • Question 10
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    A truck of mass 5×103 kg5\times 10^3\ kg starting from rest travels a distance of 0.5 km0.5\ km in 10 s10\ s when a force is applied on it. Calculate the acceleration acquired by the truck

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