لو سمحت
Quiz : Two forces are applied to an object of mass 18.25 kg. one force is 27.5 N to the north and the other is 24.0 N to the west. The magnitude of the acceleration of the object is ?
والسؤال الأخر
As seen in the figure , a box is moving on the top of a frictionless horizontal surface that is 100 m above the ground with a constant speed of 50 m/s . The time the box takes to fall to the ground is:
A=1.2s B=2.89s C=4.5s D=11.54 E=5.77
الرسمة
