EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 29 - Kinematics>AP EAPCET 2021 (19-Aug Afternoon)>Q 17

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A ball is projected upwards. Its acceleration at the highest point is

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Important Questions on Kinematics

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 29 - Kinematics>AP EAPCET - 20 Aug 2021 Forenoon>Q 18

The displacement of a particle starting from rest at

t = 0

is given by

s = 9 t^{2} - 2 t^{3}

. The time in seconds at which the particle will attain zero velocity is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 29 - Kinematics>AP EAPCET - 20 Aug 2021 Forenoon>Q 19

A rifle bullet loses

{(\frac{1}{25})}^{t h}

of its velocity in passing through a plank. The least number of such planks required just to stop the bullet is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 29 - Kinematics>AP EAPCET - 20 Aug 2021 Afternoon>Q 20

An object is moving with a uniform acceleration which is parallel to its instantaneous direction of motion. The displacement

(s) -

velocity

(v)

graph of this object is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 29 - Kinematics>AP EAPCET - 20 Aug 2021 Afternoon>Q 21

A hiker stands on the edge of a cliff

490 m

above the ground and throws a stone horizontally with an initial speed of

15 m s^{- 1}

. The speed with which it hits the ground is