Motion Test Flashcards
1
Q
- 3 m/s north is an example of a(n)
A
Velocity
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2
Q
- A softball pitcher throws a ball at 42 meters per second. If the batter is 18meters from the pitcher, approximately how much time does it take for the ball to reach the batter?
A
0.43s
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3
Q
- A high-speed train travels with an average speed of 227 km/hr. The train travels for 2hrs. How far does the train travel?
A
454km
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4
Q
- The graph to the right shows the distance traveled by an object plotted against time. What is the distance covered by the object between the 2nd and 6th second?
A
8m
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5
Q
- Find the acceleration of the bicyclist in the graph to the right from 5s to 6s.
A
15m/s squared C2U6
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6
Q
- What point is the rate of change of velocity the greatest?
A
Its going up which means it’s positive
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7
Q
- The graph at the right represents the motion of a car. According to the graph, as time increases, the speed of the car.
A
Stays the same
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8
Q
- Can the velocity of a car change when it’s speed is constant? Why or why not?
A
Yes bc velocity is speed + direction you could be moving at constant speed but changing direction, thus velocity changes.
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9
Q
- Describe the motion of a biker at A, B, and C as shown by the distance vs time graph 1.
A
A= constant speed B= not moving C= constant speed(but slower than part A)
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10
Q
- Describe the motion of a biker at A, B, and C as shown by the velocity vs time graph 2.
A
A= - acc slowing down B= o/ acc constant velocity C= + acc speeding up
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