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1.74:
a)
b)
To use the method of components, let the east direction be the
x
direction
and the north direction be the
y
direction.
Then, the explorer’s net
x

displacement is, in units of his step size,
(
29
(
29
7
.
11
60
cos
80
45
cos
40

=

and the
y
displacement is
(
29
(
29
.
6
.
47
50
60
sin
80
45
sin
40
=

+
The magnitude and direction of the displacement are
,
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Unformatted text preview: 49 ) 6 . 47 ( ) 7 . 11 ( 2 2 = +arctan 104 7 . 11 6 . 47 = . (More precision in the angle is not warranted, as the given measurements are to the nearest degree.) To return to the hut, the explorer must take 49 steps in a direction 14 90 104 =east of south....
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This homework help was uploaded on 02/14/2008 for the course PHYS 112 taught by Professor Wheeler during the Spring '08 term at Cornell University (Engineering School).
 Spring '08
 Wheeler

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