A high-speed space-probe with mass m=5x104 kg and v=0.8C is launched towards Neptune.
(a) What is its momentum recorded at the Mission Control in Florida?
(b) For landing preparation at, the speed of the probe has to be reduced to 50% i.e. now v=0.4C. Find the change in momentum of the probe.
(c) What is percentage change in momentum relative to its original value?