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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
4.8s
B
1.2s
C
2.19s
D
120s
2) A 500 newton force was applied on a weight of 100kg to lift it up. What was the work done?
A
0.5
B
0
C
2
D
5
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
4
B
10
C
5
D
8
4) what is the unit for energy, work and force?
A
mass, efficiency, power
B
joule, power , newton
C
newton, joule, power
D
power, joule, newton
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
240m
B
90m
C
400m
D
150m
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(XY/XZ)
C
0.5(XYxXZ)
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
avaerage velocity
B
uniform velocity
C
instantaneous velocity
D
non-uniformed velocity
8) Which quantity will not be affect the acceleration?
A
mass
B
force
C
weight
D
gravitational force
9) A weight on planet X shows 60N on a spring balance. What is it's reading on spring balance?
A
3600
B
36
C
360
D
60
10) A car of 10000n moved 1000 metre in 100 sec. What is the work done?
A
1000000
B
1000
C
100000
D
10000
*select an answer for all questions
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