(a)
Tosketch:The given situation.
(a)
Explanation of Solution
Given:
Mass of the marble
Initial velocity of the marble
Mass of the marble
Initial velocity of the marble
Both the marbles moving in the same direction before collision.
After collision marble
Final velocity of the marble
Before collision:
After collision:
The situation before and after the collision between the two marbles are as shown in figure
Figure 1
Figure 2
(b)
The marbles momentum before collision.
(b)
Answer to Problem 70A
Explanation of Solution
Given:
Mass of the marble
Initial velocity of the marble
Mass of the marble
Initial velocity of the marble
Formula used:
Momentum
Initial momentum of the marble
Where,
Initial momentum of the marble
Where,
Calculation:
Initial momentum of the marble
Initial momentum of the marble
Conclusion:
Initial momentum of both the marbles is same which is equal to
(c)
The momentum of marble
(c)
Answer to Problem 70A
Explanation of Solution
Given:
Mass of the marble
Initial velocity of the marble
Mass of the marble
Initial velocity of the marble
Formula used:
Final momentum of the marble
Where,
Calculation:
Final momentum of the marble
Conclusion:
The momentum of marble
(d)
The momentum of marble
(d)
Answer to Problem 70A
Explanation of Solution
Given:
Mass of the marble
Initial velocity of the marble
Mass of the marble
Initial velocity of the marble
Formula used:
Since the momentum is conserved, initial momentum of the system is equal to the final momentum of that system. In this problem, total momentum of the marbles
Where,
Calculation:
Final momentum of the marble
Conclusion:
The momentum of marble
(e)
The speed of marble
(e)
Answer to Problem 70A
Explanation of Solution
Given:
Mass of the marble
From part (d), final momentum of the marble
Formula used:
The speed of marble
Calculation:
The speed of marble
Conclusion:
The speed of marble
Chapter 9 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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