Grade 12 Kinematics Worksheet
A comprehensive worksheet for Grade 12 Physics students covering fundamental concepts in kinematics, including displacement, velocity, acceleration, and graphical analysis of motion.
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Grade 12 Kinematics Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculation-based problems. Use appropriate units for all answers.
1. Which of the following best describes the difference between speed and velocity?
Speed is a vector quantity, while velocity is a scalar quantity.
Speed includes direction, while velocity does not.
Velocity is the rate of change of displacement, and speed is the rate of change of distance.
They are interchangeable terms and mean the same thing.
2. An object moves from position x = 5m to x = 25m in 4 seconds. What is its average velocity?
5 m/s
20 m/s
10 m/s
2.5 m/s
3. The area under a velocity-time graph represents the .
4. Acceleration is defined as the rate of change of .
5. A car accelerates uniformly from rest to 20 m/s in 5 seconds. Calculate the acceleration of the car.
6. Distinguish between instantaneous velocity and average velocity.
7. A negative acceleration always means the object is slowing down.
True
False
8. In a position-time graph, a straight line indicates constant velocity.
True
False
9. Analyze the following velocity-time graph for an object's motion.
a) Describe the motion of the object during the first 4 seconds.
b) Calculate the displacement of the object from t=0s to t=4s.
c) Calculate the acceleration of the object from t=4s to t=6s.
10. A rock is dropped from the top of a cliff. It takes 3.0 seconds to reach the ground. Ignoring air resistance, calculate the height of the cliff and the velocity of the rock just before it hits the ground.