multiple choice question 1. Two metal balls are the same size but one weighs twice as much as the other. The balls are dropped from the roof of a single story building at the same instant of time. The time it takes the balls to reach the ground below will be: a) about half as long for the heavier ball as for the lighter one. b) about half as long for the lighter ball as for the heavier one. c) about the same for both balls. d) considerably less for the heavier ball, but not necessarily half as long. e) considerably less for the lighter ball, but not necessarily half as long.
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.
multiple choice question
1. Two metal balls are the same size but one weighs twice as much as the other. The balls are dropped from the roof of a single story building at the same instant of time. The time it takes the balls to reach the ground below will be:
a) about half as long for the heavier ball as for the lighter one.
b) about half as long for the lighter ball as for the heavier one.
c) about the same for both balls.
d) considerably less for the heavier ball, but not necessarily half as long.
e) considerably less for the lighter ball, but not necessarily half as long.
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