A jet fighter plane fires a missile forward at 1000 km/hrelative to the plane. a. If the plane is moving at 1200 km/h relative to the ground, what is the velocity of the missile relative to the ground?
b. What is the velocity of the missile relative to a planemoving in the same direction at 800 km/h?
c. What is the velocity of the missile relative to a targetmoving at 800 km/h toward the missile?

Heyoo I need an explanation and answer for this asap. Thank youuu!!