A boy wants to hit a target on upper branches of a tree by throwing a small stone. The boy is a distance away from the tree and he throws the stone with an angle 0 above the ground. If the target's height is y above the point where the boy throws the stone, which of the followings gives the correct expression for minimum throwing speed of the stone to hit the target. (Ignore air resistance) Select one: O a. y sin 0 I cos e O b. g cos e y sin e C. sin 0 cos 0 O d. V Gy tan 0 g sin 0 V x cos e e.
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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