a.
To Sketch: Event showing initial and final situation.
a.
Explanation of Solution
Introduction:
Momentum is simply a ‘mass in motion’. When any object having mass is moving, it has momentum. It is the product of mass of an object and its velocity.
Mathematically,
Where,
Let, initial speed of the snowmobile is
The initial and final situation is shown below
b.
Change in momentum.
b.
Answer to Problem 4PP
The change in momentum is
Explanation of Solution
Given:
Mass of snowmobile,
Initial speed,
Final speed,
Time taken,
Formula used:
Change in momentum is,
Where,
Calculation:
On putting the values, change in momentum is
Conclusion:
Therefore, the change in momentum is
c.
Magnitude of average force exerted.
c.
Answer to Problem 4PP
Explanation of Solution
Given:
Mass of snowmobile,
Initial speed,
Final speed,
Time taken,
Formula used:
Change in momentum is,
Where,
Calculation:
As
So, on putting the values,
Conclusion:
Therefore, magnitude of average force exerted on the snowmobile is
Chapter 9 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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