Concept explainers
a. The speed
b. The distance s.
Answer to Problem 86GP
Solution:
a. The speed
b. The distance s is approximately
Explanation of Solution
The part a can be calculated from energy conservation equation and the part b can be solved from projectile motion consideration.
Given
The mass of the skier is
The vertical height from A is
The point b is at a height of,
Formula used
For
To calculate the distance s, take into consideration projectile motion.
Second equation of motion:
Where, u is the initial speed, a is the acceleration, s is the displacement and t is the time.
Calculations:
Part a
Part b
The horizontal distance moved by the skier is:
The vertical distance moved by the skier is:
Substitute the value of t from equation (1) in equation (2),
Solving this equation,
Conclusion: a. The speed
b. The distance s is approximately
Chapter 6 Solutions
Physics: Principles with Applications
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