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Physic
Test Description: Ace
Instructions: Answer all questions to get your test result.
1) Improperly installed air conditioners can occasionally fall from apartment windows. How long does a pedestrain have to get out of the way of an air conditioner failing from 24m?
A
120s
B
4.8s
C
1.2s
D
2.19s
2) A 500 newton force was applied on a weight of 100kg to lift it up. What was the work done?
A
5
B
0
C
0.5
D
2
3) The weight of a man on earth is 800N. He lands on a planet where his weight is 400n. The acceleration due to gravity on this planet is?
A
5
B
10
C
4
D
8
4) what is the unit for energy, work and force?
A
power, joule, newton
B
joule, power , newton
C
mass, efficiency, power
D
newton, joule, power
5) After accelerating gradually, a body reaches 30m/s after 40 seconds. It then come to rest after 60 another seconds. How far did it travelled?
A
150m
B
90m
C
240m
D
400m
6) After accelerating gradually, a body reaches X m/s after Y seconds. It then come to rest after Z another seconds. How far did it travelled?
A
0.5(XY+XZ)
B
0.5(XYxXZ)
C
0.5(XY-XZ)
D
0.5(XY/XZ)
7) The reading from a car's speedometer at a particular moment in time is best described as the car's_______?
A
instantaneous velocity
B
uniform velocity
C
avaerage velocity
D
non-uniformed velocity
8) Which quantity will not be affect the acceleration?
A
mass
B
weight
C
gravitational force
D
force
9) A weight on planet X shows 60N on a spring balance. What is it's reading on spring balance?
A
360
B
36
C
60
D
3600
10) A car of 10000n moved 1000 metre in 100 sec. What is the work done?
A
100000
B
1000000
C
1000
D
10000
*select an answer for all questions
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