طبيبة أسنان
12-05-2009, 11:15 AM
عندي بعض اسئله
Compare between mass and weight
Prove that the wheel of the Earth’s gravity is equal to 9.8
?What is the maximum speed and lower speed can be a satellite to rotate without falling
Compare between mass and weight
Prove that the wheel of the Earth’s gravity is equal to 9.8
?What is the maximum speed and lower speed can be a satellite to rotate without falling