HW 4 (Homework)
SAI SAMINENI
Phys 2210 - Physics for Scientists and Engineers, section 1, Fall 2011
Instructor: David C. Ailion
Current Score :
8 / 14
Due :
Wednesday, September 7 2011 10:00 AM MDT
1.
2/2 points |
Previous Answers
As a High Point Univ. student walks to her dorm on the sidewalks, she has three successive
displacement vectors (i.e. one right after the other):
= (19 m)
= (15 m)
= (14 m)
+ (18 m)
What is the x-component of the total displacement of the student? 33
33
m
What is the y-component of the total displacement of the student? 33
33
m
What is the magnitude of the total displacement of the student? 47
46.6690475583121
m
What is the angle between the displacement vector (i.e. total displacement) and the horizontal
axis? 45
45
°
Solution or Explanation
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2.
2/2 points |
Previous Answers
A golf ball is hit off a tee at the edge of a cliff. Its
x
and
y
coordinates as functions of time are
given by the following expressions.
x
= (
16.0
m/s)
t
y
= (
2.90
m/s)
t
- (
4.90
m/s
2
)
t
2
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HW 4
11/18/2011