(a)
The maximum range in vacuum.
(a)
Answer to Problem 2.22P
The maximum range in vacuum is
Explanation of Solution
Write the expression for the range of the projectile.
Here,
Conclusion:
Substitute,
Therefore, the maximum range in vacuum is
(b)
The range in a given medium at an angle
(b)
Answer to Problem 2.22P
The range in a given medium at an angle
Explanation of Solution
Consider the linear drag.
The range can be solved from the following equation.
Here,
Conclusion:
Substitute,
Solve equation (III) to obtain the value of range,
Therefore, the range in a given medium at an angle
(c)
The range in a given medium for some selected values of
(c)
Answer to Problem 2.22P
The range in a given medium at an angle
Explanation of Solution
Use equation (II) to solve range for different values of
Conclusion:
Substitute,
Solve equation (IV) to obtain the value of range,
Substitute,
Solve equation (V) to obtain the value of range,
Substitute,
Solve equation (VI) to obtain the value of range,
Substitute,
Solve equation (VII) to obtain the value of range,
Substitute,
Solve equation (VIII) to obtain the value of range,
Therefore, the range in a given medium at an angle
(d)
To calculate range corresponding to smaller interval until the maximum range is obtained.
(d)
Answer to Problem 2.22P
The maximum range is
Explanation of Solution
Use equation (II) to find the range.
Conclusion:
Substitute,
Solve equation (IX) to obtain the value of range,
Substitute,
Solve equation (IX) to obtain the value of range,
Substitute,
Solve equation (X) to obtain the value of range,
Substitute,
Solve equation (XI) to obtain the value of range,
Thus from the above calculations the value of
Therefore, the maximum range is
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Chapter 2 Solutions
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