Speed, Velocity and acceleration
joel iheanacho Speed, Velocity and acceleration
What is the difference between speed and velocity?
Speed is a scalar quantity, while velocity is a vector quantity.
Speed is a vector quantity, while velocity is a scalar quantity.
Speed and velocity are both scalar quantities.
Speed and velocity are both vector quantities.
Which of the following is an example of speed?
50 km/h north
10 m/s^2
100 m
20 m/s
What is the SI unit of acceleration?
m/s
km/h
m/s^2
km/s
Which of the following is an example of acceleration?
Running at a constant speed
Cycling at a constant speed
Driving in a straight line
Braking suddenly
Which of the following equations represents the relationship between speed, distance, and time?
v = d/t
s = vt
v = at
s = 1/2at^2
If an object is moving with a constant velocity, what can you say about its acceleration?
The object has zero acceleration.
The object has non-zero acceleration.
The object's acceleration is increasing.
The object's acceleration is decreasing.
A car is traveling at a constant speed of 60 km/h. What is its velocity?
60 km/h
60 km/h north
60 km
60 km/s
What is the average acceleration of an object that starts at rest and reaches a speed of 20 m/s in 10 seconds?
2 m/s^2
4 m/s^2
10 m/s^2
20 m/s^2
If an object is accelerating, what can you say about its velocity?
The velocity is constant.
The velocity is decreasing.
The velocity is increasing.
The velocity is zero.
What is the acceleration of an object if it experiences a change in velocity of 10 m/s over a time interval of 5 seconds?
2 m/s^2
5 m/s^2
10 m/s^2
50 m/s^2
A car starts from rest and reaches a velocity of 40 m/s in 10 seconds. What is its acceleration?
4 m/s²
10 m/s²
20 m/s²
400 m/s²
A cyclist accelerates from 5 m/s to 15 m/s in 4 seconds. What is the acceleration of the cyclist?
2.5 m/s²
5 m/s²
10 m/s²
20 m/s²
A train slows down from 30 m/s to 10 m/s in 5 seconds. What is the acceleration of the train?
12 m/s²
8 m/s²
6 m/s²
4 m/s²
An object decelerates uniformly from 30 m/s to rest in 5 seconds. What is its acceleration?
-3 m/s²
-6 m/s²
-10 m/s²
-20 m/s²
A rocket accelerates at a rate of 10 m/s² from 0 m/s to 200 m/s. What is the time taken?
5secs
10secs
15secs
20secs
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