Kinematics
Send in Exercises Part 2
Motion in a straight line
Answer the following questions:Question 1
Use the diagrams below to answer the question below.
Calculate the velocity of the red car relative to the blue car. (VR-B =VR – VB) Treat as vector
subtraction, therefore use the rule ‘when subtracting vectors add the opposite’. Therefore,
VR-B = VR + (- VB)
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Question 2
The table shows the results of an experiment involving a toy car moving along in a straight
line.
a. Identify the dependent and independent variables in this experiment.
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b. Use the grid provided to draw a displacement-time graph of the toy car.
c. Use your graph to find the average speed and velocity of the object.
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d. Do you think the above results are reliable? Why? /Why not?
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