Bell Ringer Quiz 3 (Unit2 Week2) – TEKS 7.7B: Average Quantities Over a Trip | Quizalize

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Bell Ringer Quiz 3 (Unit2 Week2) – TEKS 7.7B: Average Quantities Over a Trip | Quizalize

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Bell Ringer Quiz 3 (Unit2 Week2) – TEKS 7.7B: Average Quantities Over a Trip

Quiz by Grade 7 Science - Texas Education Agency

Texas Essential Knowledge and Skills (TEKS)

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Measures 1 skill from

Texas Essential Knowledge and Skills (TEKS)

Distinguish between speed and velocity in linear motion in terms of distance, displacement, and direction.

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Q 1/3
Score 0
A sprinter runs 80m east in 10s, then 20m west in 5s on the same straight track.
What is the average speed over the 15s?
30
$4.0\ m/s$
$5.3\ m/s$
$6.7\ m/s$
$8.0\ m/s$
Q 2/3
Score 0
For the same trip, what is the average velocity (magnitude and direction)?
30
$4.0\ m/s\ east$
$6.7\ m/s\ east$
$1.3\ m/s\ west$
$4.0\ m/s\ west$

3 questions

Q.

A sprinter runs 80m east in 10s, then 20m west in 5s on the same straight track.

What is the average speed over the 15s?

1

30 sec

SCI.7.7B

Q.

For the same trip, what is the average velocity (magnitude and direction)?

2

30 sec

SCI.7.7B

Q.

A hiker goes 150m east in 50s, rests 10s (no movement), then 50m east in 20s.

What is the average velocity for the entire 80s?

3

30 sec

SCI.7.7B

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