You throw a ball straight up with an initial velocity of 15.4 m/s. It passes a tree branch on the way up at a height of 6.56 m. How much additional time (in s) will pass before the ball passes the tree branch on th way back down? 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.
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10. [-/0.71 Points] DETAILS OSCOLPHYS2016 2.7.P.049.
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You throw a ball straight up with an initial velocity of 15.4 m/s. It passes a tree branch on the way up at a height of 6.56 m. How much additional time (in s) will pass before the ball passes the tree branch on the
way back down?
S
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11. [-/0.71 Points]
DETAILS
OSCOLPHYS2016 2.7.P.041.
MY NOTES
PRACTICE ANOTHER
Assume air resistance is negligible unless otherwise stated.
Calculate the displacement and velocity (in m and m/s, respectively) at the following times for a ball thrown straight up with an initial velocity of 19.7 m/s. Take the point of release to be yo = 0.
(a) 0.500 s
Y₁ =
m
=
V₁
m/s
(b) 1.00 s
Y₂ =
m
V₂ =
m/s
(c) 1.50 s
Y3 =
m
V3 =
m/s
(d) 2.00 s
Y4=
m
V4=
m/s
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