Part A Suppose a car manufacturer tested its cars for front- end collisions by hauling them up on a crane and dropping them from a certain height Find the speed just before a car hits the ground, after falling from rest a vertical distance H. Express your answer in terms of the variable H and appropriate constants. Submit Request Answer Part B What height corresponds to a collision at 50 km/h? Express your answer to two significant figures and include the appropriate units. HA H50 km/h= Value Units Submit Request Answer

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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.