Which of the following statements is true of a ball that is thrown upward, reaches its highest point, and then falls back to Earth? Select all that apply. A. As the ball falls back toward Earth, the acceleration will cause the ball to speed up by 10 m/s/s. B. As the ball rises, the acceleration will cause the ball to speed up by 10 m/s/s. C. As the ball falls back toward Earth, the acceleration will cause the ball to slow down by 10 m/s/s. D. At the top of its path, the velocity will be zero. E. At the top of its path, the acceleration will be zero. F. As the ball rises, the speed of the ball will be constant at 10 m/s.
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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Which of the following statements is true of a ball that is thrown upward, reaches its highest point, and then falls back to Earth? Select all that apply.
A. As the ball falls back toward Earth, the acceleration will cause the ball to speed up by 10 m/s/s.
B. As the ball rises, the acceleration will cause the ball to speed up by 10 m/s/s.
C. As the ball falls back toward Earth, the acceleration will cause the ball to slow down by 10 m/s/s.
D. At the top of its path, the velocity will be zero.
E. At the top of its path, the acceleration will be zero.
F. As the ball rises, the speed of the ball will be constant at 10 m/s.
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