Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 11>Q 2

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A particle is dropped from the top of a tower. The distance covered by it in the last one second is equal to that covered by it in the first three seconds. Find the height of the tower.

Important Questions on Kinematics

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 11>Q 3

Water drops are falling in regular intervals of time from top of a tower of height

9 m

. If

4^{th}

drop begins to fall when

1^{st}

drop reaches the ground, find the positions of

2^{nd}

&

3^{rd}

drops from the top of the tower.

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 1

The coordinates of a particle moving in

x y

plane vary with time as

\sqrt{x} = a t; y = b t^{2} .

The locus of the particle is:

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 2

A particle moves along the straight line

y = 3 x + 5

. Which coordinate changes at a faster rate ?

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 3

Two particles

A

and

B

are moving in

X Y

-plane. Their positions vary with time

t

according to relation :

x_{A} (t) = 3 t, x_{B} (t) = 6

y_{A} (t) = t, y_{B} (t) = 2 + 3 t^{2}

Distance between two particles at

t = 1

is :

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 4

A football player kicks a ball at an angle of

30 °

to the horizontal with an initial speed of

20 {ms}^{- 1}

. Assuming that the ball travels in a vertical plane, calculate the time at which the ball reaches the highest point

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 5

A football player kicks a ball at an angle of

30 °

to the horizontal with an initial speed of

20 {ms}^{- 1}

. Assuming that the ball travels in a vertical plane, calculate the maximum height reached.

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 6

A football player kicks a ball at an angle of

30 °

to the horizontal with an initial speed of

20 {ms}^{- 1}

. Assuming that the ball travels in a vertical plane, calculate the horizontal range of the ball

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Conceptual Questions)>Q 7

A football player kicks a ball at an angle of

30 °

to the horizontal with an initial speed of

20 m s^{- 1}

. Assuming that the ball travels in a vertical plane, calculate the time for which the ball is in the air.

(g = 10 m s^{- 2})