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A 12.3 kilogram test rocket is fired vertically from Cape Canaveral. Its fuel gives it a kinetic energy of 1930 Joule by the time the rocket motor burns all of the fuel. The acceleration of gravity is 9.8 m/s2. Calculate what additional height will the rocket rise?
Answer in units of m.
Consider a positive charge q that is released from rest at the origin in the orthogonal uniform electric and magnetic fields E = E yˆ and B = B zˆ.
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suppose a single electron orbits about a nucleus containing two protons 2e as would be the case for a helium atom from
a spaceship travels in a circular orbit around a planet. it applies a sudden thrust and increases its speed by a factor
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