<span>The mass of potassium is 39. This is obtained by adding the 19 protons and 20 neutrons found inside the nucleus</span>
Answer:
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Explanation:
Answer:
461.88 N
Explanation:
The swing is in static equilibrium. T is the tension in the string. Refer to the attached figure.
In the vertical direction:
In the horizontal direction:
Thus, the horizontal force being applied by the partner is 461.88 N.
Answer: C
Explanation:
A solenoid is a coil of wire that acts like a magnet when electric current travels through it
It is a synthesis reaction where two reactants gives one product.
Answer:option D
2Mg + O2 ------> 2 MgO