car in stop-and-go traffic starts at rest, moves forward 21 m in 8.0 s, en comes to rest again. The velocity-versus-time plot for this car is ren in the figure(Figure 1). What distance does the car cover in the first 4.0 seconds of its motion? Express your answer using two significant figures. d = m Submit Request Answer • Part B What distance does the car cover in the last 2.0 seconds of its motion? Express your answer using two significant figures. VOJAE ure < 1 of 1 Submit Request Answer • Part C What is the constant speed V that characterizes the middle portion of its motion? Express your answer using two significant figures. + ΑΣφ- ?
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.
Area under velocity time graph represents displacement.
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