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| 1. |
Zero, a hypothetical planet, has a mass of 5.0 xx 10^2 kg, a radius of 3.5 xx 10^6 m, and no atmosphere. A 10 kg space probe is to be launched vertically from its surface. (a) If the probe is launched with an initial energy of 5.0 xx 10^7 J, what will be its kinetic energy when it is 4.0 xx 10^6m from the center of Zero? (b) If the probe is to achieve a maximum distance of 8.0 xx 10^6 m from the center of Zero, with what initial kinetic energy must it be launched from the surface of Zero? |
| Answer» SOLUTION :(a) `3.8 XX 10^7 J`, (B) `5.4 xx 10^7 J` | |