Question

# Make a simplified map of the path from where you live yo your physics classroom.(a) Label...

Make a simplified map of the path from where you live yo your physics classroom.(a) Label your path and your displacement. (b) Estimate the time interval that you need to reach the classroom from where you live and your average speed.

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Answer #1

(a) Suppose your home is at origin (0,0) . Your class us at (2.1 km, 5.8 km). All roads are along either X-axis or Y-axis. You have to walk this distance at a speed 1.5 m/s. Your displacement is and The distance travelled is 7.9 km.

An arrow straight from origin to class willl be the displacement.

A pair of lines

1. from origin to ( 2.1km,0km ) along the X-axis

2. from ( 2.1km ,0km ) to (2.1 km , 5.8 km) along the Y-axis

will indicate the distance travelled.

(b) time needed t = 7900 / 1.5 = 5267 s

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