Please help me, please answer where possible. Otherwise i am happy post it as different questionsOn 21 January 2018, Rocket Lab launched a 10 500 kg rocket from the Mahia Peninsula. It carried a 250 kg payload that included the 8 kg Humanity Star, which is like a large disco ball in size and shape. On the launchpad, the rocket has a mass of 10 500 kg and produces 160 kN of vertical thrust. Assuming that the acceleration is constant and motion is in a straight line, find the speed of the rocket after 1 minute. The rocket burns fuel and ejects material until it reaches space and eventually releases its payload. Assuming that this 250 kg payload is initially at rest and then the 8 kg Humanity Star is ejected at a speed of 1.4 m s−1, find the speed of the remaining payload.The Humanity Star settles into a circular orbit at a radius of 6800 km from the centre of Earth. If the centripetal force acting on the Humanity Star is 60.1 N, find: the angular velocity, and the orbital period of the Humanity Star, in hours and minutes to the nearest minute.During re-entry, the Humanity Star experiences air resistance while travelling in a near-circular orbit around the Earth. Draw a free-body diagram indicating the directions of the forces acting on the Humanity Star, and the approximate direction of the net force. HumanitystarEarth

(1) The force produced by the rocket is 160kn =160000N. And the mass of the system is 10500+250=…

Answered: On 21 January 2018, Rocket Lab launched…

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Please help me, please answer where possible. Otherwise i am happy post it as different questions

On 21 January 2018, Rocket Lab launched a 10 500 kg rocket from the Mahia Peninsula. It carried a 250 kg payload that included the 8 kg Humanity Star, which is like a large disco ball in size and shape.

On the launchpad, the rocket has a mass of 10 500 kg and produces 160 kN of vertical thrust. Assuming that the acceleration is constant and motion is in a straight line, find the speed of the rocket after 1 minute.
The rocket burns fuel and ejects material until it reaches space and eventually releases its payload. Assuming that this 250 kg payload is initially at rest and then the 8 kg Humanity Star is ejected at a speed of 1.4 m s−1, find the speed of the remaining payload.
The Humanity Star settles into a circular orbit at a radius of 6800 km from the centre of Earth. If the centripetal force acting on the Humanity Star is 60.1 N, find:
1. the angular velocity, and
2. the orbital period of the Humanity Star, in hours and minutes to the nearest minute.
During re-entry, the Humanity Star experiences air resistance while travelling in a near-circular orbit around the Earth. Draw a free-body diagram indicating the directions of the forces acting on the Humanity Star, and the approximate direction of the net force.

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