Unit Test — Unit test Answers
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Study the position-time graph for a bicycle.
A
The bicycle has speed but not velocity.B
The bicycle is moving at a constant velocity.C
The bicycle has a displacement of 3 m.D
The bicycle is not in motion.22
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Which is an example of speed?
A
Cindy biked westward at 30 km/h.B
A rock is to the left of a flowerpot.C
A dog runs an average of 8 mph.D
Leo lives 2 miles north of Andre.23
Two vectors are shown.
A
Vector X has greater magnitude than vector Y.B
Vector Y has greater magnitude than vector X.C
The vectors have the same displacement.D
The vectors have the same direction.24
Two vectors, X and Y, form a right angle. Vector X is 48 inches long and vector Y is 14 inches long. The length of the resultant vector is inches.
Answer not available
25
Which formula is used to calculate average velocity?
A
V Subscript a v g Baseline = StartFraction x Subscript f Baseline minus x Subscript I Baseline over t Subscript f Baseline minus t Subscript i Baseline EndFraction
B
V Subscript a v g Baseline = StartFraction t Subscript f Baseline minus t sub I over x sub f minus x sub I
C
Option
D
v Subscript a v g Baseline = StartFraction t over d EndFraction
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