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A ball of mass 7.2 kg is launched from the Earth's surface to a circular orbit at a height of 350 km from the surface. In doing so, what is the change in mechanical energy of the ball? (A) 250MJ (B) 317MJ (C) 213MJ (D) zero |
| Answer» A ball of mass 7.2 kg is launched from the Earth's surface to a circular orbit at a height of 350 km from the surface. In doing so, what is the change in mechanical energy of the ball? (A) 250MJ (B) 317MJ (C) 213MJ (D) zero | |