y A 12 m B πT y = 20 cos x 30 x
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
When the 75 kg skier is at point A, she has a speed of 1.5m/s. Neglecting friction
and air resistance, and using a cosine curve for the slope (as shown in the figure):
(a) Determine her speed when she reaches point B on the smooth slope.
(b) What is the normal force on her skis at B, and her rate of increase in speed?
Transcribed Image Text:y
A
12 m
B
πT
y = 20 cos
x
30
x
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