a) How long does it take John to cover the distance if he does half the distance at 6.3 kilometers per hour and the other half at 1.2 kilometers per hour?
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.
John and Anna both travel a distance of 8 kilometeres.
a) How long does it take John to cover the distance if he does half the distance at 6.3 kilometers per hour and the other half at 1.2 kilometers per hour?
b) What is his average speed for the total distance?
c) How long does it take Anna to cover the distance of 8.00 kilometers if she goes 6.3 kilometers per hour for 2/3 of the total time and 1.2 kilometers per hour for 1/3 of the time?
d) what is her average speed for the whole trip?
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