3. A rocket with a mass of 90,000kg has an initial velocity of 4m/s.
a) Calculate its initial kinetic energy.
b) The rocket reaches a maximum velocity of 300m/s.
Calculate the maximum kinetic energy of the rocket. (2)
og
c) What will the maximum gravitational potential energy of the rocket be? (1)
d) Calculate the maximum height of the rocket. (3)
Gravitational field strength is 9.8N/g



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