Welcome to your Grade 11 Physics chapter 3
After carefully reading the following 30 questions, choose the correct answer.
1.
What is the shape of a displacement-time graph for a speeding-up object?
2.
What does the area under a velocity versus time graph represent?
3.
Which of the following is a kinematic equation for vertical motion?
4.
An automobile moves with constant speed around a circular track. This is:
5.
If an automobile starts from rest with acceleration 5.0 m/s², what is its speed after overtaking a truck?
6.
The height of the Commercial Bank of Ethiopia head quarter is:
7.
What describes the motion of objects that are in free fall?
8.
In uniform circular motion, what is the formula for angular speed ω?
9.
A car accelerates from rest at 2.40 m/s² for 12.0 s. What is its final velocity?
10.
Can the direction of velocity change while acceleration is constant?
11.
What is the angular speed of an automobile moving at 14 m/s on a track with radius 20 m?
12.
A man walks east at 2 m/s for 10 meters. How long does it take?
13.
On a velocity-time graph, a straight line with a negative slope indicates:
14.
Which equation relates displacement (y), initial velocity (u), time (t), and gravity (g)?
15.
If a particle slows uniformly from 25 m/s at a rate of 2 m/s², what is its velocity after 10 s?
16.
What is the period of motion if the angular speed is 0.7 rad/s?
17.
In the moving man simulation, why is acceleration 0 during constant velocity intervals?
18.
A motorbike accelerates to 100 km/h from rest in 4 seconds. What is this spec measuring?
19.
A displacement-time graph with a straight line with a positive slope indicates:
20.
What is the muzzle velocity if a bullet is accelerated at a very large rate?
21.
If an object is thrown vertically upwards, what is its velocity at the highest point?
22.
What is the formula for distance using a velocity-time graph?
23.
A girl walks 1 km North in 15 mins and 200 m Southwest in 160 s. This helps calculate:
24.
Uniformly accelerated motion in 1D is characterized by:
25.
What happens to the displacement-time graph when a man moves in the opposite direction at constant velocity?
26.
In Figure 3.18, a parabola inverted downward indicates:
27.
A car maintaining its speed for 5 seconds has an acceleration of:
28.
Which value is used for gravity (g) in the equations provided in the snippets (e.g., Ex 3.10 context)?
29.
The motion of a ball on an inclined plane is used to understand the relationship between:
30.
In circular motion, the diameter of the track is 40 m. What is the radius?
