Suppose you toss a basketball upward while standing still with an initial velocity of 7 meters/second and it rises to about 2.45 meters. That's below the standard 3.05 meters (10 feet) for a basketball hoop, so you miss the shot. Which of these would get you the goal? Pick all that apply. Give the same 7 m/s from the same height, but early in a jump upward at 1 m/s. Run forward and shoot while running, but otherwise the same 7 m/s upward from the same height. Give the same 7 m/s, but at the top of a jump that takes you more than a meter off the ground. From standing still, give a velocity of 8 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.
Suppose you toss a basketball upward while standing still with an initial velocity of 7 meters/second and it rises to about 2.45 meters. That's below the standard 3.05 meters (10 feet) for a basketball hoop, so you miss the shot. Which of these would get you the goal?
Pick all that apply.
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Give the same 7 m/s from the same height, but early in a jump upward at 1 m/s. |
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Run forward and shoot while running, but otherwise the same 7 m/s upward from the same height. |
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Give the same 7 m/s, but at the top of a jump that takes you more than a meter off the ground. |
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From standing still, give a velocity of 8 m/s. |
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