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ECE 6E44 TEST BANK REVISION PACK.3. The position y of a particle moving along the y axis depends on the time t according to the equation y = at – bt2 . The dimensions of the quantities a and b are respectively: A) L2 /T, L3 /T2 B) L/T2 , L2 /T C) L/T, L/T2 D) L3 /T, T2 /L E) none of...

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  • March 8, 2023
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EGE 644
TEST BANK

FUNDAMENTALS OF PHYSICS
9TH EDITION

,Import Settings:
Base Settings: Brownstone Default
Information Field: Difficulty
Information Field: Section
Highest Answer Letter: E
Multiple Keywords in Same Paragraph: No




Chapter: Chapter 2




Multiple Choice




1. A particle moves along the x axis from xi to x f . Of the following values of the initial and final
coordinates, which results in the displacement with the largest magnitude?
A) xi = 4m, x f = 6m
B) xi = –4m, x f = –8m
C) xi = –4m, x f = 2m
D) xi = 4m, x f = –2m
E) xi = –4m, x f = 4m

Ans: E
Difficulty: E
Section: 2-3




2. A particle moves along the x axis from xi to x f . Of the following values of the initial and final
coordiantes, which results in a negative displacement?
A) xi = 4m, x f = 6m
B) xi = –4m, x f = –8m
C) xi = –4m, x f = 2m
D) xi = –4m, x f = –2m
E) xi = –4m, x f = 4m

Ans: B
Difficulty: E

, Full file at http://testbankscafe.eu/Test-Bank-for-Fundamentals-of-Physics-Extended-9th-Edition-Halliday


Section: 2-3




3. The position y of a particle moving along the y axis depends on the time t according to the
equation
y = at – bt2. The dimensions of the quantities a and b are respectively:
A) L2/T, L3/T2
B) L/T2, L2/T
C) L/T, L/T2
D) L3/T, T2/L
E) none of these

Ans: C
Difficulty: E
Section: 2-3




4. The average speed of a moving object during a given interval of time is always:
A) the magnitude of its average velocity over the interval
B) the distance covered during the time interval divided by the time interval
C) one-half its speed at the end of the interval
D) its acceleration multiplied by the time interval
E) one-half its acceleration multiplied by the time interval.

Ans: B
Difficulty: E
Section: 2-4




5. Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is
moving at 60 km/h and the other is moving at 40 km/h. In how many hours will they meet?
A) 2.5
B) 2.0
C) 1.75
D) 1.5
E) 1.25

Ans: D
Difficulty: E

, Full file at http://testbankscafe.eu/Test-Bank-for-Fundamentals-of-Physics-Extended-9th-Edition-Halliday


Section: 2-4




6. A car travels 40 kilometers at an average speed of 80 km/h and then travels 40 kilometers at
an average speed of 40 km/h. The average speed of the car for this 80 km trip is:
A) 40 km/h
B) 45 km/h
C) 48 km/h
D) 53 km/h
E) 80 km/h

Ans: D
Difficulty: M
Section: 2-4




7. A car starts from Hither, goes 50 km in a straight line to Yon, immediately turns around, and
returns to Hither. The time for this round trip is 2 hours. The magnitude of the average velocity
of the car for this round trip is:
A) 0
B) 50 km/hr
C) 100 km/hr
D) 200 km/hr
E) cannot be calculated without knowing the acceleration

Ans: A
Difficulty: E
Section: 2-4




8. A car starts from Hither, goes 50 km in a straight line to Yon, immediately turns around, and
returns to Hither. The time for this round trip is 2 hours. The average speed of the car for this
round trip is:
A) 0
B) 50 km/h
C) 100 km/h
D) 200 km/h

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