Physics 20 concerns (Circular Motion / Gravitation and energy)?

spreadsheet critique energy that you really should preserve in thoughts: question heronumbazero : 20 inquiries in physics (circular motion / gravity and energy) I need assist in solving these two troubles! This is a spreadsheet contribution so that you do not cheat :) Also, I often get different answers (for 1: 1.63x10 ^ 11 m and 2: 18 m / s)! Support would be very welcome very first A group of mad scientists on Mars (6.4x10 ^ 23 kg) to decide, "to bring Earth's orbit. Mars rotates every

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