D.) It is unlikely that a specific cause can be determined, but the treatment would likely be the same in either case.
Force = (mass) x (acceleration)
= (0.025 kg) x (5 m/s²)
= 0.125 Newton
Third
every action has an opposite and equal reaction
Object height 10cm is placed in front of plane mirror. The height of the image will also be 10cm as the height of image is same as height of object in the case of plane mirror