A projectile motion is any body given an initial velocity that then follows a path determined by the effects of gravity. Here we ignore air resistance. A soccer ball is kicked from the ground with an angle of 45 degree and an initial speed of vo - 20 m/s. When the soccer ball falls to the ground, how far does it travel along the horizontal direction in unit of meter? (g-9.8 m/s) (Please provide your numerical answer without unit! Please write your numerical answer with all digits and do not use scientific notation. If you are not sure about the number of significant figures, you can keep the number of figures as many as possible - You will not be punished for doing this. No unit in your answer.) OUESTTION 3a
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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