FLY ME TO THA MOON WE WE WE WE ROCKET EXPLODE
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"Fly Me to the Moon" is a popular song written by Bart Howard in 1954. Show more…
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Imagine a giant catapult that could hurl a spaceship to the Moon. Describe the energy transformations that would take place on such a journey.
You are the ground-control commander of a 2000 kg scientific rocket that is approaching Mars at a speed of $25,000 \mathrm{km} / \mathrm{hr}$. It needs to quickly slow to $15,000 \mathrm{km} / \mathrm{hr}$ to begin a controlled descent to the surface. If the rocket enters the Martian atmosphere too fast it will burn up, and if it enters too slowly, it will use up its maneuvering fuel before reaching the surface and will crash. The rocket has a new braking system: Several 5.0 kg "Bullets" on the front of the rocket can be fired straight ahead. Each has a high-explosive charge that fires it at a speed of $139,000 \mathrm{m} / \mathrm{s}$ relative to the rocket. You need to send the rocket an instruction to tell it how many bullets to fire. Success will bring you fame and glory, but failure of this $\$ 500,000,000$ mission will ruin your career.
Which requires more fuel, a rocket going from Earth to the moon or a rocket returning from the moon to Earth?
Sahil K.
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