A rock is dropped from the top of a building. It takes 5 seconds for the rock to reach the ground. How fast the rock is falling?( use g =9.8m/s^2). Don't round the answer. 1. 49m/s 2. 49mph 3. 4.9m/s 4. 4.9mph
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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A rock is dropped from the top of a building. It takes 5 seconds for the rock to reach the ground. How fast the rock is falling?( use g =9.8m/s^2). Don't round the answer.
1. 49m/s
2. 49mph
3. 4.9m/s
4. 4.9mph
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