a.
To find the altitude of A when parachute open.
a.
Answer to Problem 54RE
Altitude of A when parachute open
Explanation of Solution
Given:
The time is
Formula used:
Distance falling by A before open the parachute is
Calculation:
Given the time is
Distance falling by A before open the parachute is
Altitude of A when parachute open
b.
To find the altitude of A when parachute open.
b.
Answer to Problem 54RE
Altitude of A when parachute open
Explanation of Solution
Given:
The time is
Formula used:
Distance falling by A before open the parachute is
Calculation:
Given the time is
Distance falling by A before open the parachute is
Altitude of A when parachute open
c.
To find which lands first.
c.
Answer to Problem 54RE
B land first.
Explanation of Solution
Given:
The time is
Formula used:
At ground
Calculation:
Let t represent the number of seconds after A jumps . for
Since at ground,
B’s position is given by for
Since at ground,
So, B lands first.
Chapter 5 Solutions
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