6 A hawk is flying 150m above the ground when it spots a vole. The hawk goes into a dive by tucking its wings and essentially just falling. Voles can run with a speed of about 2m. a. Determine the acceleration of the hawk as it is diving. (Treat the hawk as an object in free fall.) b. Calculate the speed of the hawk as it reaches the ground. (Ignore the hawk's initial horizontal speed, and the fact that the hawk must slow down in order not to crash into the ground.) c. The vole sees the hawk go into the dive. Calculate how much time the vole has to escape. (How long does it take the hawk to drop 150m?)
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.
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