A ball is thrown straight upward from the ground level. Its initial velocity is 30 m/s. 1. What is the maximum height it reaches in meters? a. 13.98 b. 45.87 c. 10.38 d. None of these 2. What is the total time in seconds when it goes back in the ground? a. 3 b. 6 c. 4 d. None of these 3. What is its velocity in m/s when time is 2 seconds? a. 10.38 b. 20.19 c. 28.00 d. None of these 4. What is the location of the ball in meters from the ground after 2 seconds? a. 50.19 b. 79.62 c. 40.38 d. None of these
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 ball is thrown straight upward from the ground level. Its initial velocity is 30 m/s.
1. What is the maximum height it reaches in meters?
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