College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:6.
A car rolls down a sloping runway and reaches a
smooth flat surface (see diagram below).
Which of the following velocity-time graph best
illustrates the motion of the car?
AV
B v
CV
the helicopter.
A 50 m s-¹
C 200 m s
AnorelponA
7. A helicopter is moving horizontally at a speed of
180 km h-¹. It then accelerates uniformly at
2 m s2 for 10 seconds. Find the final speed of
doinw
force
D v
0
-brace.ed
lod aworie
t
8. A car driver steps on the accelerator sharply
when the traffic lights turn green. The force on
the car varies with time as shown.
B 70 m S-¹
D 668 m s-¹
time
time
Which graph shows the variation of the car's
speed with time?
A speed
B speed
ا
C speed
0
D speed
0
B
a To
evermore
speed
9.
A basketball is thrown vertically downwards
with a speed of 10 m s-¹ at a height of 8 m
from the ground and rebounces. Which of
the following graphs correctly represents the
relation between the speed of the ball and
time?
A
speed
211500
C
speed
D speed
0
rito
time
time
A slin
ni)
100
time
time
time
time
A
8
0
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