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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An object falls from a high building. What will its velocity be after 7 seconds of falling?
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An object falls from a high building and hits the ground in 9.5 seconds. What is the height of the building?
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During a storm, a piece of metal was knocked off a building. The metal fell a distance of 300 meters to the ground.
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How long did it take the metal to hit the ground?
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What will the velocity of the metal be when it hits the ground?
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An object falls from the Burj Khalifa (located in United Arab Emirates) and takes 13 seconds to hit the ground.
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What is its velocity at impact?
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How tall is the building?
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What is the object’s acceleration at the 3rd second?
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What is the object’s acceleration at the 7th second?
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If the Burj Khalifa were actually 2000 meters tall, how long would an object take to fall from the top of the building to the ground?
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A cartoon coyote (who is it?) drops an anvil off a cliff to try to catch a bird (who is it?). The cliff is 155.8 m high.
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How long does it take the anvil to fall to the ground?
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What is the anvil’s impact velocity?
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How far does it fall in the first 4.0 seconds?
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How fast is it going after the first 5.0 seconds?
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How long would it take the same anvil to fall if the cliff was on the moon (g = 1.63 m/s2)
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While looking in the mirror, in the bathroom, you drop your phone and it plummets toward the sink with running water. If you are 0.48 meters above the sink, how long will it take before your cell phone needs to be replaced?
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