(a)
To calculate the time taken by rocket to reach
(a)
Answer to Problem 23P
Explanation of Solution
Given: height of rocket at time is required is
Initial velocity at which rocket is fired is
Equation is given to calculate time is
Calculation:
Solve the equation for
Substitute
Solving quadratic equation using calculator.
Time at which rocket reaches
Therefore, the answer is
(b)To Explain;why at height of is greatest
Explanation of Solution
Given; height of rocket at time is required is
Initial velocity at which rocket is fired is
Equation is given to calculate time is
Explanation;
At the greatest height final velocity of rocket becomes zero.
Chapter 5 Solutions
Algebra: Structure And Method, Book 1
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