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DEAKIN UNIVERSITY
Page:
1/17
Unit: SEB101 Engineering Physics
Date:
Trimester 1, 2019
PART A – MULTIPLE CHOICE
Select the best answer to each question on the provided multiple-choice answer sheet.
(50 marks)
QUESTION 1
Over a short interval, starting at time
t
= 0, the coordinate of an automobile in meters is given by
ݔ
ݐ
ݐെ4ݐൌ27
where
t
is in seconds. The magnitudes of the initial (at
t
= 0) velocity and acceleration of the auto
respectively are:
A)
0; 12 m/s
2
B)
0; 24 m/s
2
C)
27 m/s; 0
D)
27 m/s; 12 m/s
2
E)
27 m/s; 24 m/s
2
Question 2
One object is thrown vertically upward with an initial velocity
of 100 m/s and another object with an
initial velocity of 10 m/s. The maximum height reached by the f
irst object will be _______ that of the
other

Mayank , 5 Years ago
Grade 12th pass
anser 1 Answers
Saurabh Koranglekar
Dear student

Please note
verticle height reached with speed u is

u^2 / 2g

h1 = (100^2)/2g
h2= (10^2)/2g

ratio is 100:1

Regards
Last Activity: 5 Years ago
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