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, hg = 0 m hc= 10 m. The end of the ski ramp is y = 10 m above the ground.

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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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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 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=
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
=
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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