Q Next diagram shows relationship between aelocity and time of a body moving along shown path. Let me see physical touches in your answer, not just mathematical notes. O Find the average acceleration of the object during the time intervals (0-5) . (5-15) s (0-20) s i) Find the instantaneous acceleration at 2. 10s, 18s (ii) Find the displacement between (10-20) s. v (m/s) 8 6 4 2 I (s) 20 15 -2 -4 -6 -8l (i) Find the average acceleration of the object during the time intervals(5-15) s.(0-20) s.(0-5) s.(ii) Find the instantaneous acceleration at2s,(iii) Find the displacement between (10-20) s10 s,18 sv (m/s)842t (s)2051015-2-4-6-8Q2:A car travels 40 m in 8.5 s with uniformly de-acceleration to a final velocity of 2.8m's.(1) Find the car's initial velocity. (2) Find its de-acceleration.Q3:An automobile starts from rest and travels for (5 s) with a uniformacceleration of (+2 m/s). The driver then applies the brakes, causing auniform de-aceleration of (-2 m/s). If the brakes are applied for (3 s):(a) How fast is the automobile going at the end of the braking period?(b) How far has the car gone?Q4: The following vectors:Å m< -1,4,1 >,B =< -2,4, -6 >1- Find the cross product2- Find the angle betweenĀ and B.3- Prove thatÅ ×B = -(§ × Ã)We ask God to award you success.Head of Department:Examiners:Dr. Abdullah A. HussainProf. Dr. Jabbar Mansour KhalafDr. Hisham Almhdi

(i) Average acceleration =change in velocitytime takenaavg=vf-vit2-t1aavg→average acceleration…

Answered: Q Next diagram shows relationship…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Q Next diagram shows relationship between aelocity and time of a body moving along shown path. Let me see physical touches in your answer, not just mathematical notes. O Find the average acceleration of the object during the time intervals (0-5) . (5-15) s (0-20) s i) Find the instantaneous acceleration at 2. 10s, 18s (ii) Find the displacement between (10-20) s. v (m/s) 8 6 4 2 I (s) 20 15 -2 -4 -6 -8 l

(i) Find the average acceleration of the object during the time intervals
(5-15) s.
(0-20) s.
(0-5) s.
(ii) Find the instantaneous acceleration at
2s,
(iii) Find the displacement between (10-20) s
10 s,
18 s
v (m/s)
8
4
2
t (s)
20
5
10
15
-2
-4
-6
-8
Q2:
A car travels 40 m in 8.5 s with uniformly de-acceleration to a final velocity of 2.8
m's.
(1) Find the car's initial velocity. (2) Find its de-acceleration.
Q3:
An automobile starts from rest and travels for (5 s) with a uniform
acceleration of (+2 m/s). The driver then applies the brakes, causing a
uniform de-aceleration of (-2 m/s). If the brakes are applied for (3 s):
(a) How fast is the automobile going at the end of the braking period?
(b) How far has the car gone?
Q4: The following vectors:
Å m< -1,4,1 >,
B =< -2,4, -6 >
1- Find the cross product
2- Find the angle between
Ā and B.
3- Prove that
Å ×B = -(§ × Ã)
We ask God to award you success.
Head of Department:
Examiners:
Dr. Abdullah A. Hussain
Prof. Dr. Jabbar Mansour Khalaf
Dr. Hisham Almhdi

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