Name: 5. A change in velocity means a change in 1. What is Bill's average running speed? Distance covered (km) a. direction only b. speed only c. speed, direction, or both d. always both speed and direction e. I don't know 6.As you brake your bicycle, your velocity changes from 20 east m/s to 10 east m/s in 5 seconds. What is your acceleration? Time Runner (min) Daisy 12.5 42 Jane 7.8 38 Bill 10.5 32 Joe 8.9 30 a. 0.33 km/min b. 3.0 km/min A. 10 m/s2 west C. 3.3 km/min d. 330 km/min e. I don't know 2. Which runner has the slowest average speed B. 2 m/s2 east C. 10 m/s2 east D. 2 m/s2 west E. I don't know for this run? Time 7. What was Swimmer C's average speed? Graphing Motion Distance Runner covered (km) (min) Daisy 12.5 42 2,400 Jane 7.8 38 2,200 Bill 10.5 32 2,000 Joe 8.9 30 1,800 Swimmer C 1,600 a. Bill E 1,400 b. Daisy Swimmer B 1,200 C. Jane d. Joe 1,000 e. I don't know 3. If an óbject has a constant velocity, then it 800 600 Swimmer A 400 a. has a negative acceleration 200 b. has an acceleration of zero c. has a positive acceleration d. is not moving 10 20 30 Time (min) e. I don't know 4.The speed of light in a vacuum is 300,000,000 km/s. How long does it take light to travel A. 4.8 km/h 150,000,000 km from the Sun to Earth? a. 2100 seconds B. 2.4 km/h C. 2400 km/h b. 8.3 minutes D. 4800 km/h C. 4500 seconds d. 0.25 hour e. I don't know E. I don't know Distance (m)
Name: 5. A change in velocity means a change in 1. What is Bill's average running speed? Distance covered (km) a. direction only b. speed only c. speed, direction, or both d. always both speed and direction e. I don't know 6.As you brake your bicycle, your velocity changes from 20 east m/s to 10 east m/s in 5 seconds. What is your acceleration? Time Runner (min) Daisy 12.5 42 Jane 7.8 38 Bill 10.5 32 Joe 8.9 30 a. 0.33 km/min b. 3.0 km/min A. 10 m/s2 west C. 3.3 km/min d. 330 km/min e. I don't know 2. Which runner has the slowest average speed B. 2 m/s2 east C. 10 m/s2 east D. 2 m/s2 west E. I don't know for this run? Time 7. What was Swimmer C's average speed? Graphing Motion Distance Runner covered (km) (min) Daisy 12.5 42 2,400 Jane 7.8 38 2,200 Bill 10.5 32 2,000 Joe 8.9 30 1,800 Swimmer C 1,600 a. Bill E 1,400 b. Daisy Swimmer B 1,200 C. Jane d. Joe 1,000 e. I don't know 3. If an óbject has a constant velocity, then it 800 600 Swimmer A 400 a. has a negative acceleration 200 b. has an acceleration of zero c. has a positive acceleration d. is not moving 10 20 30 Time (min) e. I don't know 4.The speed of light in a vacuum is 300,000,000 km/s. How long does it take light to travel A. 4.8 km/h 150,000,000 km from the Sun to Earth? a. 2100 seconds B. 2.4 km/h C. 2400 km/h b. 8.3 minutes D. 4800 km/h C. 4500 seconds d. 0.25 hour e. I don't know E. I don't know Distance (m)
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Chapter1: Units, Trigonometry. And Vectors
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Displacement, Velocity and Acceleration
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The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
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Question
Transcribed Image Text:old Physical Science
Unit 2 - Motion Pre-assessment
Name:
Hour:
9.The motion of the ball at the right is called
8.What was Swimmer A's average speed during
the period 10 min to 20 min?
Graphing Motion
2,400
2,200
2,000
1,800
Swimmer C
1,600
1,400
Swimmer B
1,200
A. centripetal motion
B. projectile motion
C. free hall
1,000
800
600
Swimmer A
D. momentum
400
E. I don't know
200
10.Compared to the ball on the left, the ball on
the right will hit the ground
10
20
30
Time (min)
A. 40 m/min
B. 0 m/min
C. 400 m/min
D. 4000 m/min
E. I don't know
A. at the same time
B. First
C. Harder
D. second
E. I don't know
Distance (m)
Transcribed Image Text:Name:
5. A change in velocity means a change in
1. What is Bill's average running speed?
Distance
covered (km)
a. direction only
b. speed only
c. speed, direction, or both
d. always both speed and direction
e. I don't know
6.As you brake your bicycle, your velocity
changes from 20 east m/s to 10 east m/s in 5
seconds. What is your acceleration?
Time
Runner
(min)
Daisy
12.5
42
Jane
7.8
38
Bill
10.5
32
Joe
8.9
30
a. 0.33 km/min
b. 3.0 km/min
C. 3.3 km/min
d. 330 km/min
e. I don't know
2. Which runner has the slowest average speed
A. 10 m/s2 west
B. 2 m/s2 east
C. 10 m/s2 east
D. 2 m/s2 west
E. I don't know
for this run?
7. What was Swimmer C's average speed?
Graphing Motion
Distance
Time
Runner
covered (km)
(min)
Daisy
12.5
42
2,400
Jane
7.8
38
2,200
Bill
10.5
32
2,000
Joe
8.9
30
1,800
Swimmer C
1,600
a. Bill
E 1,400
b. Daisy
Swimmer B
1,200
C. Jane
d. Joe
1,000
e. I don't know
3. If an óbject has a constant velocity, then it
800
600
Swimmer A
400
a. has a negative acceleration
b. has an acceleration of zero
200
c. has a positive acceleration
d. is not moving
10
20
30
Time (min)
e. I don't know
4.The speed of light in a vacuum is 300,000,000
km/s. How long does it take light to travel
A. 4.8 km/h
150,000,000 km from the Sun to Earth?
a. 2100 seconds
B. 2.4 km/h
C. 2400 km/h
b. 8.3 minutes
D. 4800 km/h
C. 4500 seconds
E. I don't know
d. 0.25 hour
e. I don't know
Distance (m)
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