# Suppose that a passenger intent on lunch during his first ride in a hot-air balloon accidently drops an apple over the side during the balloon’s liftoff. At the moment of the apple’s release, the balloon is accelerating upward with a magnitude of 4.0 m/s2 and has an upward velocity of magnitude 2 m/s.a.)What is the magnitude of the acceleration of the apple just after it is released?b.What is the direction of the acceleration of the apple just after it is released?c.Just then, is the apple moving upward or downward, or is it stationary?d.What is the magnitude of its velocity just then?e.In the next few moments, does the speed of the apple increase, decrease, or remain constant?

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.

Suppose that a passenger intent on lunch during his first ride in a hot-air balloon accidently drops an apple over the side during the balloon’s liftoff. At the moment of the apple’s release, the balloon is accelerating upward with a magnitude of 4.0 m/s2 and has an upward velocity of magnitude 2 m/s.

a.)What is the magnitude of the acceleration of the apple just after it is released?

b.What is the direction of the acceleration of the apple just after it is released?

c.Just then, is the apple moving upward or downward, or is it stationary?

d.What is the magnitude of its velocity just then?

e.In the next few moments, does the speed of the apple increase, decrease, or remain constant?

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