A bungee jumper falls for 2.4 s before the bungee cord begins to stretch. Until the jumper has bounced back up to this level, the bungee causes the jumper to have an average acceleration upward of 2 m/s2. (a) How fast is the jumper going when the bungee cord begins to stretch? m/s (b) How far below the diving platform is the jumper at that moment? m (c) How long after the bungee cord begins to stretch does the jumper reach the low point of the drop? s (d) How far below the diving platform is the jumper at the instant the speed is zero?
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
A bungee jumper falls for 2.4 s before the bungee cord begins to stretch. Until the jumper has bounced back up to this level, the bungee causes the jumper to have an average acceleration upward of 2 m/s2.
(a) How fast is the jumper going when the bungee cord begins to stretch? m/s
(b) How far below the diving platform is the jumper at that moment? m
(c) How long after the bungee cord begins to stretch does the jumper reach the low point of the drop? s
(d) How far below the diving platform is the jumper at the instant the speed is zero?
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My professor has the correct answer listed as 167 m. How did he get that answer from the exact same equation?
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