▼ Part A What is the speed Ubefore of the girl immediately before she grabs the box? Express your answer numerically in meters per second. ► View Available Hint(s) Ubefore Submit Part B = Vafter = Submit [5] ΑΣΦ → 195| ΑΣΦ What is the speed Vafter of the girl immediately after she grabs the box? Express your answer numerically in meters per second. ► View Available Hint(s) SO O ? ? m/s m/s
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.
![**Physics Problem: Motion and Forces**
A girl of mass \( m_1 = 60.0 \) kilograms springs from a trampoline with an initial upward velocity of \( v_i = 8.00 \) meters per second. At a height \( h = 2.00 \) meters above the trampoline, the girl grabs a box of mass \( m_2 = 15.0 \) kilograms. (See Figure 1)
For this problem, use \( g = 9.80 \) meters per second squared for the magnitude of the acceleration due to gravity.
**Part A**
What is the speed \( v_{\text{before}} \) of the girl immediately before she grabs the box?
*Express your answer numerically in meters per second.*
\( v_{\text{before}} = \) [Input box] m/s
**Part B**
What is the speed \( v_{\text{after}} \) of the girl immediately after she grabs the box?
*Express your answer numerically in meters per second.*
\( v_{\text{after}} = \) [Input box] m/s
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**Figure Explanation:**
The figure shows the girl, represented by mass \( m_1 \), jumping from a trampoline. An initial upward velocity \( v_i \) is indicated by an arrow pointing upward from the trampoline. At a height \( h \) above the trampoline, she reaches for a box. A person is standing on a platform, handing the box, which is represented by mass \( m_2 \).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc42f8bf5-c4ea-440d-bf0d-c8a9270c2068%2F0067ad90-57ca-488f-b826-1e924a59981f%2Fvg5lvy7r_processed.jpeg&w=3840&q=75)


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