S An object undergoes constant acceleration after starting from rest and then travels 5 mthe first second. Determine how far it will go in the next second.A. 15 m B. 10 m C. 20 m D. 5 mAn arrow is projected straight upwards at a speed of 100 m/s. With what speed will itreturn to the ground if air resistance is ignored?A grcater than 100 m/s B. 100 m/sC.less than 100 m/s D. It is impossible to say if themaximum height is not known.6 The slope of a velocity- time graph givesA. average velocity. B. instantancous acceleration.C.instantancous velocity. D. averageacceleration.7. Car A is moving at a speed of 45 km/h towards car B which is moving towards car B atspeod of 55 km/h. If the two cars were initially separated at a distance of 150 mdetermine how long it will take the two cars to meet.A. 15 h B. 0.67 h C. 1.5 h D. 6 h8. An Air Force pilot is flying horizontally at a speed of 3000 m/s and drops a bomb whichhits the target 10 s later. At what height was the pilot flying?A. 3000 m B. 30 m C. 300 m D. 500 m.A ball is thrown vertically upwards with a velocity of 30 m/s. Determine the maximumheight reached.A. 90 m B. 450 m C. 45 m D. 15 mD. A footballer kicks a ball at an angle of 45" with the horizontal. If the ball was in the airfor 10 s and lands 4000 m away determine its initial speed.A. 200 m/s B. 20 m/s C. 4000 m D. 40 m/s.. A particles is at x = +5 m at t= 0, x = -7 m at t = 6 s and x = +2 m at t = 10 s. Find theaverage velocity of the particle during the intervals(a) t=0 and t 6 s (b) t= 6 s to t= 10 s (c) t 0 to t = 10 s.A car travels in a straight line with an average velocity of 80 km/h for 2.5h and then anaverage velocity of 40 km/h from 1.5 h (a) what is the total displacement for the 4 htrip? (b) What is the average velocity for the total trip?How long does it take light from the sun to reach the carth if it travels a distance of 1.5x 10 m? (velocity of light= 3 x 10* m/s).The hearest star, Proxima Centauri is 4.0 x 103 km away. Calculate the time it takes aght signal from the earth to the star? How many years will it take a spacecrafDoject has a constant acceleration a = 4 m/s. Its velocity is 1 m/s at t 0, when it is awhat time is this?

4. Given: s1=5 m t1=1 s t2=2 s Formula:

Answered: object undergoes constant acceleration…

object undergoes constant acceleration after starting from rest and then travels 5 m he first sccond. Deternmine how far it will go in the next second. A. 15 m B. 10 m C. 20 m D, 5

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 53P

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

S An object undergoes constant acceleration after starting from rest and then travels 5 m
the first second. Determine how far it will go in the next second.
A. 15 m B. 10 m C. 20 m D. 5 m
An arrow is projected straight upwards at a speed of 100 m/s. With what speed will it
return to the ground if air resistance is ignored?
A grcater than 100 m/s B. 100 m/sC.less than 100 m/s D. It is impossible to say if the
maximum height is not known.
6 The slope of a velocity- time graph gives
A. average velocity. B. instantancous acceleration.C.instantancous velocity. D. average
acceleration.
7. Car A is moving at a speed of 45 km/h towards car B which is moving towards car B at
speod of 55 km/h. If the two cars were initially separated at a distance of 150 m
determine how long it will take the two cars to meet.
A. 15 h B. 0.67 h C. 1.5 h D. 6 h
8. An Air Force pilot is flying horizontally at a speed of 3000 m/s and drops a bomb which
hits the target 10 s later. At what height was the pilot flying?
A. 3000 m B. 30 m C. 300 m D. 500 m.
A ball is thrown vertically upwards with a velocity of 30 m/s. Determine the maximum
height reached.
A. 90 m B. 450 m C. 45 m D. 15 m
D. A footballer kicks a ball at an angle of 45" with the horizontal. If the ball was in the air
for 10 s and lands 4000 m away determine its initial speed.
A. 200 m/s B. 20 m/s C. 4000 m D. 40 m/s.
. A particles is at x = +5 m at t= 0, x = -7 m at t = 6 s and x = +2 m at t = 10 s. Find the
average velocity of the particle during the intervals
(a) t=0 and t 6 s (b) t= 6 s to t= 10 s (c) t 0 to t = 10 s.
A car travels in a straight line with an average velocity of 80 km/h for 2.5h and then an
average velocity of 40 km/h from 1.5 h (a) what is the total displacement for the 4 h
trip? (b) What is the average velocity for the total trip?
How long does it take light from the sun to reach the carth if it travels a distance of 1.5
x 10 m? (velocity of light= 3 x 10* m/s).
The hearest star, Proxima Centauri is 4.0 x 103 km away. Calculate the time it takes a
ght signal from the earth to the star? How many years will it take a spacecraf
Doject has a constant acceleration a = 4 m/s. Its velocity is 1 m/s at t 0, when it is a
what time is this?

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