At the edge of a roof you throw ball 1 upward with an initial speed v0; a moment later you throw ball 2 downward with thesame initial speed. The balls land at the same time. Which of thefollowing statements is true for the instant just before the balls hitthe ground? A. The speed of ball 1 is greater than the speed of ball 2; B. The speed of ball 1 is equal to the speed of ball 2; C. The speedof ball 1 is less than the speed of ball 2.
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.
At the edge of a roof you throw ball 1 upward with an initial speed v0; a moment later you throw ball 2 downward with the
same initial speed. The balls land at the same time. Which of the
following statements is true for the instant just before the balls hit
the ground? A. The speed of ball 1 is greater than the speed of ball 2; B. The speed of ball 1 is equal to the speed of ball 2; C. The speed
of ball 1 is less than the speed of ball 2.
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