Time (s) a 2.0 1.5- 1.0- 0.5- 0.0 0 0.4 0.8 Takeoff angle (rad) 1.2 1.6 The graph above shows the time up in the air vs take-off angle for a long jump. Which of the following is true? Hint: 1.6 rad is about 90 degrees. When the take-off angle increases, the time does not change When the take-off angle increases, the time decreases To achieve the longest time up in the air, the take-off angle should be close to 1.6 rad. To achieve the longest time up in the air, the take-off angle should be close to 0.8 rad.
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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