One day you measure a Sequoia tree to have some height d. After some time 7, you return to measure the same tree but find that it is now too tall to accurately measure. However, you notice that when the sun is 30° above the horizon a shadow with length 5d is cast onto the ground. (a) What is the height of the tree at the later time 7? (b) Find an expression for the average speed of tree growth over the time 7. (c) If T = 5 years and d = 6 ft, what is the average speed in miles per hour? At time T 30° 5d
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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