2. Acoustics , scalar and vector , velocity and acceleration
Authored by Mohamed Mahmoud
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What distinguashes a vector from a scalar?
Vectors are always longer in value
Vectors have both magnitude and direction
Scalars are used only in physics
Scalars can't be measured
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a scalar quantity?
Displacement
Length
Velocity
Acceleration
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A person walks 5 meters east. This is an example of
Distance
Speed
Force
Displacement
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which physical quantity is a vector?
Mass
Distance
Velocity
Tempreture
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula of velocity
a / t
x / t
x / d * t
x / t
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following correctly describe instantaneous velocity
Distance divided by time
Velocity at a particular instant of time
The average speed in a round trip
Velocity measured after 1 hour
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The SI unit of acceleration is
m/s2
m/s
cm2/s
N/m
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