Answered: y A 12 m B πT y = 20 cos x 30 x

Engineering

Mechanical Engineering

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

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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?

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