Unit 1 - Lesson 1: Motion in One Direction

اختبار خاص بالمعلم: hend walid
1
The concept of the body movement means..........
2
When car (A) covers the same distance as car (B) at the same time, this means that...........
3
If the relative speed of a car is 50 km/h relative to an observer in a bus moves obs. in the same direction at 70 km/h, therefore the actual speed of this car is........
4
If car (A) moves at speed 80 km/h and car (B) moves at speed of 50 km/h in the same direction, the speed of car (A) relative to a passenger in car (B) is ........... km/h.
5
The relative speed of a moving object relative to an observer moves at the same speed in the opposite direction is.......... the actual speed.