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Motion and speed
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A ball is thrown 10 m/s west. Which quantity does it represent?
velocity
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Name a vector quantity.
velocity
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Calculate the speed between 9:00 to 11:00
15 km/h
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Which one has constant speed?
B
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A car moves 100 m . Which quantity does it represent?
distance
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A bus moves at 30 m/s .Which quantity does it represent?
speed
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What is the difference between speed and velocity?
Velocity indicates direction and speed doesn't.
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Calculate the average speed between 11:00 to 12:00
0 km/h
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How does a distance time graph look, if it has 0 speed?
horizontal straight line
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How does a distance time graph look, if it has constant speed?
straight line up
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How does a distance time graph look, if a person is moving very fast ? Is it steep or horizontal?
steep
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Which one shows no motion?
A
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A car travelled 1860 metres in 60 seconds. How fast did it go?
31 m/s
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Speed of A
5 m/s
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Calculate the average speed on the graph using any 2 points.
5 m/s
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