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مشاهدة النسخة كاملة : محتاجة مساعدة ضروري في حل الاسئلة


am_f
17-02-2014, 23:43
A car traveling at 24.3 m/s hits a stone wall . The driver, who is wearing a shoulder harness and seat belt, moves forward 1.07 m as the car stops. Assuming his acceleration is uniform, find his acceleration. in m/s2? (don't forget the (-) if negative)



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A car traveling at 22.2 m/s hits a stone wall . The driver, who is wearing a shoulder harness and seat belt, moves forward 0.96 m as the car stops. Assuming his acceleration is uniform, find his average velocity during the collision. in m/s


A car travels in a straight line at 47 km/h for 4 h and at 59 km/h for 4 h.

How far does it travel
طلع معي الجواب 424 كم صح؟؟؟


A car travels in a stright line at 39 km/h for 1 h and at 54 km/h for 5 h. Find the average velocity in km/h

الجواب طلع معي 51.5 !! مدري صح ولا