[طالب في جامعة المؤسس]

السؤال الاول :
a ball was shot from the ground into the air . at a height of10 m its velocity was v =4i+5j m/s . the maximum hieght from the ground the ball reached is :

a- 22.6m
b- 12.1m
c- 10 m
d- 11.3m
e- 20m
f- 5 m

السؤال الثاني
a car is travelling with kinetic energy 9.8 *10^4 J on a straight road its velocity is
a- 14.75
b- 14
c- 13.35
d- 12.78

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