2. A trench mortar fires a shell at angle of 30° with the horizontal with an initial velocity of 500 m/s. (See the diagram.) Find a) its range, R; b) the highest point reached, and c) time before it returns to the same level. Solution: Given: a) R = R = b) H= V₁² sin 20 g H = Vo²sin²0 2g tt = Vo = 0 = 2V0 sin A 2( ) sin 2( 9.8 m/s² _)²sin²( 2(9.8) sin( 9.8 m/s² y Vo R h x
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.
General Physics
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The finals answers should be:
a. R = 22,092.48 m
b. H = 3,188.78 m
c. tt = 51.02 sec
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