Prep 3 - Science

Complete :

.................... is the speed of a moving object relative to a constant or a moving observer .

Complete :

.................... is the change of an object position as time passes according to the position of another fixed object .

Problem :

A car moving at a uniform speed = 72 km/h .

Find its speed in m/sec

Complete

speed of car = ........... m/sec

Complete :

The simplest type of motion is the motion in a ................. line in one direction .

An observer in a moving car with 80 km/h was observing a moving car with 90 km/h in the same direction, so the observed speed of the second car is ................. km/h.

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مع تحياتى

Mr. ASHRAF MOSA MOHAMED

Science Teacher

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