A car at point on a straight road goes west for seconds, arriving at point which is m away from The car then heads back to the east for seconds, arriving at point which is m away from What is the displacement of the car from point ?
Assume that is east and is west.
One morning, you wake up and decide to take a jog through the town. You take to run straight north, then you turn right and take to run Then you turn right again and run down the street for covering until you to stop. Assuming that the coordinates of your home are the origin find the position vector of the place where you stop.
Take eastward as and northward as
A soccer player undergoes two successive displacements: What is the total displacement of the soccer player?
The motion of a creature in three dimensions can be described by the following equations for positions in and directions: Find the position vector of the creature at
billion Suns. You can see it with the naked eye as a faint elongated cloud in the night sky. Inasmuch as it subtends an angle of and is known to be larger than our own galaxy [ light-years (units of ly) in diameter for Andromeda as compared to light-years for our galaxy], how far away is it in light-years?The Andromeda galaxy is a giant spiral cluster of stars whose mass is that of