You throw a ball vertically upward, and as it leaves your hand, its speed is 39.0 m/s. (a) How high (in m) does it rise above the level where it leaves your hand? m (b) How long (in s) does it take to reach its highest point? S (c) How long (in s) does the ball take to return to the level where it left your hand after it reaches its highest point? S
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.
![You throw a ball vertically upward, and as it leaves your hand, its speed is 39.0 m/s.
(a) How high (in m) does it rise above the level where it leaves your hand?
m
(b) How long (in s) does it take to reach its highest point?
S
(c) How long (in s) does the ball take to return to the level where it left your hand after it reaches its highest point?
S
(d) Assume that the upward direction is positive and the downward direction is negative. What is the ball's velocity (in m/s) when it returns to
the level where it left your hand? (Indicate the direction with the sign of your answer.)
m/s](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F84f39a0e-1c16-43ec-bcb3-7f889ca233a2%2F6a19724b-9853-4187-9e3e-c60dfe8c80a6%2F7wypv2f_processed.png&w=3840&q=75)
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