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)
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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