The polar coordinates of a certain point are (r = 3.15 cm, 0 = %3D 262°). (a) Find its Cartesian coordinates x and y. x = |-0.438 ст %3D -0.312 Your response is off by a multiple of ten. cm (b) Find the polar coordinates of the points with Cartesian coordinates (-x, y). = 1.41 Your response differs from the correct answer by more than 10%. Double check your calculations. cm = |-45 Your response differs from the correct answer by more than 10%. Double check your calculations. (c) Find the polar coordinates of the points with Cartesian coordinates (-2x, –2y). = 2.83 Your response differs from the correct answer by more than 10%. Double check your calculations. cm = 225 The response you submitted has the wrong sign. (d) Find the polar coordinates of the points with Cartesian coordinates (3x, -3y).

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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.