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.
Height of rock at initial point= h = 40 m
Initial velocity= v = 0 m/s
Value of gravity for mars = g= 3.71 m/s²
Mass of rock = m
When rock hit the ground ,let its velocity is v2 and height is zero as it is on the ground...so no potential energy..onlg kinetic energy
According to conservation of energy...
Initial energy = final energy
Initial energy = kinetic energy +potential energy = mv²/2 + mgh = mgh
Final energy = kinetic + potential
=kinetic +0 = m(v2)²/2+ 0
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