At 8:00 AM ship S1 is 20 km due north of ship S2. Ship S1 sails south at a rate of 9 kph and ship S2 sails west at a rate of 12 kph. At what rate is the distance between the two ships changing at 9:20 AM. a. 14.76 kph c. 6.71 kph b. 13.42 kph d. 4.20 kph
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.
At 8:00 AM ship S1 is 20 km due north of ship S2. Ship S1 sails south at a rate of 9 kph and ship S2 sails west at a rate of 12 kph. At what rate is the distance between the two ships changing at 9:20 AM.
a. 14.76 kph c. 6.71 kph b. 13.42 kph d. 4.20 kph
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