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Unit 1 - Lesson 1: Motion in One Direction
Unit 1 - Lesson 1: Motion in One Direction
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اختبار خاص بالمعلم:
hend walid
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صفك
1
The concept of the body movement means..........
its acceleration.
the change in its position with the time.
constancy of its position with the change in time.
its speed.
2
When car (A) covers the same distance as car (B) at the same time, this means that...........
the two cars move at the same speed.
car (B) is slower than car (A).
car (A) is faster than car (B).
car (A) is slower than car (B).
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........
40 km/h.
50 km/h.
90 km/h.
120 km/h.
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.
60
110
90
30
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.
double
the same
quarter
half
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