We observe a planet crossing in front of its host star and the planet is smaller than the star. We call this crossing motion a ____________
Fill in the blank(s) with correct word
transit
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An ideal transformer has 200 turns on its primary and 12 turns on its secondary. If the power input to the transformer is 120 kW, what is the power output?
A. 0.600 kW B. 7.20 kW C. 10.0 kW D. 120 kW E. 240 kW
Calculate the concentration of vacancies in silicon at the solid-liquid equilibrium temperature of 1683 K where single crystals of silicon are grown. The enthalpy of formation for vacancies in silicon is 2.3 eV/vacancy.
What will be an ideal response?
The Crab Nebula and its pulsar were produced by a ________ supernova
Fill in the blank(s) with correct word
A satellite, initially at rest in deep space, separates into two pieces, which move away from each other
One piece has a rest mass of 190 kg and moves away with a speed 0.280c, and the second piece moves in the opposite direction with a speed 0.600c. What is the rest mass of the second piece? A) 88.7 kg B) 79.6 kg C) 73.9 kg D) 68.8 kg E) 52.7 kg