College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Chapter 3, Problem 35AP
Towns A and B in Figure P3.35 are 80.0 km apart. A couple arranges to drive from town A and meet a couple driving from town B at the lake, L. The two couples leave simultaneously and drive for 2.50 h in the directions shown. Car 1 has a speed of 90.0 km/h. If the cars arrive simultaneously at the lake, what is the speed of car 2?
Figure P3.35
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A girl is standing at the edge of a cliff 100. m above the ground. She reaches out over the edge of the cliff and throws a rock straight upward with a speed 8.00 m/s. a) How long does it take the rock to hit the ground? b) What is the speed of the rock the instant before it hits the ground?
Towns A and B in Figure P3.35 are 80.0 km apart. A cou-
ple arranges to drive from town A and meet a couple driving
from town B at the lake, L. The two couples leave simultane-
ously and drive for 2.50 h in the directions shown. Car 1 has
a speed of 90.0 km/h. If the cars arrive simultaneously at the
lake, what is the speed of car 2?
40.0° 80.0 km
'B
Figure P3.35
2.
35. A person going for a walk follows the path shown in
T Figure P3.35. The total trip consists of four straight-line
paths. At the end of the walk, what is the person's resultant
displacement measured from the starting point?
Start 100 m
300 m
End
200 m
30.0
150 m
60.0°
Figure P3.35
Chapter 3 Solutions
College Physics
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