If a dog runs at 7 m/s straight off the end of a doc that is 0.5m above the water, how far will the dog go before hitting the surface of the water? Draw a sketch showing important points in the motion • Establish a coordinate system and define symbols • Draw a motion diagram • List knowns and desired unknowns • Identify and write down the relevant equation(s), using the symbols defined in your sketch • Solve equation(s) for the desired unknown • Substitute in the known values, including units, and calculate unknown value • Check units and assess if your answer is reasonable
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.
If a dog runs at 7 m/s straight off the end of a doc that is 0.5m above the water, how far will the dog go before hitting the surface of the water?
Draw a sketch showing important points in the motion • Establish a coordinate system and define symbols • Draw a motion diagram • List knowns and desired unknowns
• Identify and write down the relevant equation(s), using the symbols defined in your sketch • Solve equation(s) for the desired unknown • Substitute in the known values, including units, and calculate unknown value • Check units and assess if your answer is reasonable
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