A hot air balloon is hovering (remain in one place in the air) at height of 52 m above the ground. A penny is dropped from the balloon. Assume no air resistance. (a) Draw a diagram to illustrate the situation. (b) How long does it take the penny to hit the ground? (c) What is the final velocity of the penny just before it hits the ground?
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.
A hot air balloon is hovering (remain in one
place in the air) at height of 52 m above the ground. A penny is
dropped from the balloon. Assume no air resistance.
(a) Draw a diagram to illustrate the situation.
(b) How long does it take the penny to hit the ground?
(c) What is the final velocity of the penny just before it hits the
ground?
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