You shoot an arrow into the air. Two seconds later (2.00 s) thearrow has gone straight upward to a height of 30.0 m above itslaunch point. (a) What was the arrow’s initial speed? (b) Howmuch time did it take for the arrow to first reach a height of 15.0 mabove its launch point?
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.
You shoot an arrow into the air. Two seconds later (2.00 s) the
arrow has gone straight upward to a height of 30.0 m above its
launch point. (a) What was the arrow’s initial speed? (b) How
much time did it take for the arrow to first reach a height of 15.0 m
above its launch point?
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