Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter1: Getting Started
Section: Chapter Questions
Problem 21PQ
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Topic Video
Question
I have A-C , however I'm confused on how to get the rest of the answers to finish the problem

Transcribed Image Text:A
KEA =
KEB
B
VB=
a) From the information given, calculate each of the following.
J
KEC =
VC
/vi
Yi
m/s
b) Determine each of the following. Some will be in terms of variables
J PEB =
PEA =
Use conservation of energy to calculate VB.
J
D
m/s
ymax
Xf
PEC =
d) Determine each of the following. Some will be in terms of variables.
e) Use conservation of energy to calculate vc.
1. Starting from rest, a skier, m = 75 kg,
travels down a slope, which turns up at
the bottom, launching the skier at an
angle = 53 above the horizontal.
Heights: h=85 m, bg = 0 m
hc= 10 m. The end of the ski ramp is
y₁ = 10 m above the ground.
J EA =
J
EB =
NAME
J Ec=

Transcribed Image Text:A
Vix =
VDx
KED =
C
B Ty
When the skier leaves the ramp at C, for v₁ use your number for vc.
f) What are the (x,y) components of v₁. At ymax, determine the (x,y) components of vp. (clues)
Ymax = hp
m/s
=
my/s
J
D
PED
ymax
Xf
m
g) Determine each of the following. Some will be in terms of variables.
Viy =
h) Use conservation of energy to calculate ymax, or hp.
VDY
1. Starting from rest, a skier, m = 75 kg,
travels down a slope, which turns up at
the bottom, launching the skier at an
angle = 53° above the horizontal.
Heights: hA 85 m, hg = 0 m
=
hc = 10 m. The end of the ski ramp is
Yi 10 m above the ground.
J
m/s
ED
m/s
=
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