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Homework Statement
John equation of motion is Rj(t)=(t^2+3t)i + tj. David's equation of motion is Rd(t)=5ti+t^3j. At t=1 find David's velocity with respect to john.
Relative velocity is the measurement of the velocity of one object in relation to another object. It takes into account the motion of both objects and their direction of movement.
Relative velocity is calculated by subtracting the velocity of one object from the velocity of the other object. This can be done by using vector addition or the formula: relative velocity = velocity of object A - velocity of object B.
Absolute velocity is the velocity of an object in relation to a fixed point or reference frame, while relative velocity is the velocity of an object in relation to another moving object. Absolute velocity does not take into account the motion of other objects, whereas relative velocity does.
Relative velocity is important in many aspects of everyday life, such as determining the speed of a car in relation to the speed limit, calculating the speed of a plane in relation to the wind, or understanding the motion of objects in a moving vehicle.
Yes, relative velocity can be negative if the objects are moving in opposite directions. This indicates that the objects are moving away from each other. However, if the objects are moving in the same direction, the relative velocity will be positive.