1- A particle is pushed along a horizontal surface in such a way that it starts with a velocity of 12m/s. Its velocity decreases at a uniform rate of 0.5m/s². (a) Find the time it will take to come to rest. (b) Find the distance covered by it before coming to rest? 2- A body is dropped from a height of 320m. The accoloration

Principles of Physics: A Calculus-Based Text
5th Edition
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Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Motion In Two Dimensions
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1- A particle is pushed along a horizontal surface in such a way that it starts with a velocity of 12m/s. Its velocity
decreases at a uniform rate of 0.5m/s².
(a) Find the time it will take to come to rest.
(b) Find the distance covered by it before coming to rest?
2- A body is dropped from a height of 320m. The acceleration due to the gravity is 10m/s²?
(a) How long does it take to reach the ground?
(b) What is the velocity with which it will strike the ground
3- The velocity time graph of runner is given in the graph.
10 m/s
v(m/s)
(a)
(b)
10-
5
WORKSHEET (MOTION) CHHW)
(a) What is the total distance covered by the runner in 16s?
(b)What is the acceleration of the runner at t = 11s?
4- A boy throws a stone upward with a velocity of 60m/s.
(a) How long will it take to reach the maximum height (g = -10m/s²)?
(b) What is the maximum height reached by the ball?
(c) How long will it take to reach the ground?
5- Study the v-t graph and answer the following questions:-
Speed (m/s)
654321
6 8 10 12 14 16
A
D
B
Time (s)
Calculate the retardation of the body.
Find out the distance travelled from A to B
E
10
C
125 copies
16
Transcribed Image Text:1- A particle is pushed along a horizontal surface in such a way that it starts with a velocity of 12m/s. Its velocity decreases at a uniform rate of 0.5m/s². (a) Find the time it will take to come to rest. (b) Find the distance covered by it before coming to rest? 2- A body is dropped from a height of 320m. The acceleration due to the gravity is 10m/s²? (a) How long does it take to reach the ground? (b) What is the velocity with which it will strike the ground 3- The velocity time graph of runner is given in the graph. 10 m/s v(m/s) (a) (b) 10- 5 WORKSHEET (MOTION) CHHW) (a) What is the total distance covered by the runner in 16s? (b)What is the acceleration of the runner at t = 11s? 4- A boy throws a stone upward with a velocity of 60m/s. (a) How long will it take to reach the maximum height (g = -10m/s²)? (b) What is the maximum height reached by the ball? (c) How long will it take to reach the ground? 5- Study the v-t graph and answer the following questions:- Speed (m/s) 654321 6 8 10 12 14 16 A D B Time (s) Calculate the retardation of the body. Find out the distance travelled from A to B E 10 C 125 copies 16
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