A. What do you mean by chromatic aberration in lenses?

If forces acting on an object are unbalanced. true or false

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?