ارجوكم ساعدوني ضروري ""مستعجل""

[الخاطري]

السلام عليكم ورحمة الله وبركاته
تحية طيبة وبعد...
انا عضوة جديده ومتفائله فيكم خير
ارجوكم ساعدوني
بكره الاربعاء عندي امتحان ميد ترم
وعندي مجموعة اسأله ماعرفت احللها

اتمنى المساعده
واكون جدا شاكره لكم...

الاسئلة بالانجليش...

the largest diamond ever found had a size of 3106 carats. one carat is equivalent to a mass of 0.200 g . use the fact that 1 kg (1000g) has a weight of 2.205 Ib under certain conditions , and determine the weight of this diamond in pounds




A car moves along a straight highway at an average velocity of 100 km/h
A)how far will it go in 2 h
B)how long will it take to travel 350 km





A pilot wishes to fly 2000 km in 4 h> what average velocity in kilometers per hour (km/h)g

[الخاطري]

from what height must water fall to strike a turbine wheel with a vertical downward velocity of 30 m/s






a boy standing beside a tall building throws a ball straight up with an initial velocity of 15 m/s
a)how high will the ball rise
b)how long will it take for the ball to reach it is maximum height





the centers of two 10kg spheres are separated by 0.1 m . what is their gravitational attraction





an ice hockey player strikes a puck of mass 0.17 kg with his stick , accelerating it along the ice from rest to a speed of 20 m/s over a distance of 0.5 m . what force must he exert if the frictional force between the puck and the ice is negligible



بلييييييييز ساعدوني
مره محتاجه مساعده :mommy_cut:

[د.امير]

Please find answers here:
http://www.phys4arab.net/vb/showthread.php?t=47779


net/vb/showthread.php?t=47902[URL="http://www.phys4arab.net/vb/showthread.php?t=47902"]http://www.phys4arab.net/vb/showthread.php?t=47902[/UR

[الخاطري]

مشكور د.امير
الله يسعدك
شفت الحل
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