A stone is thrown vertically upward at a speed of 27.1 m/s. A second stone is thrown upward from the same height with the same speed 0.690 seconds later. 9a. At what time (after the first rock is thrown) are the two stones at the same height? Express your answer in seconds. 9b. At what height above the launch point, in meters, do the two stones pass each other? 9c. What is the downward speed of the first stone as they pass each other? (Since we've identified the direction as downwards, enter a positive value, in 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.
Two stones thrown upwards
A stone is thrown vertically upward at a speed of 27.1 m/s. A second stone is thrown upward from the same height with the same speed 0.690 seconds later.
9a. At what time (after the first rock is thrown) are the two stones at the same height? Express your answer in seconds.
9b. At what height above the launch point, in meters, do the two stones pass each other?
9c. What is the downward speed of the first stone as they pass each other? (Since we've identified the direction as downwards, enter a positive value, in m/s).
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