Two pebbles are thrown simultaneously from the top of the building with a speed of 20 m/s. One is thrown vertically upward and another vertically downwards. Which of the following statement is correct? a. They will strike the ground with the same speed. b. They will strike the ground at the same time. c. They will travel the same distance. d. They have different acceleration because one is upwards and the other is downward.
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.
Two pebbles are thrown simultaneously from the top of the building with a speed of 20 m/s. One is thrown vertically upward and another vertically downwards. Which of the following statement is correct?
a. They will strike the ground with the same speed.
b. They will strike the ground at the same time.
c. They will travel the same distance.
d. They have different acceleration because one is upwards and the other is downward.
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