What is it called when objects become positively charged when they lose electrons and negatively charged when they gain electron
2 answers:
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Answer:
Explanation:
The system ball-pin is modelled by the Principle of Moment Conservation:
The velocity of the bowling ball after the collision is:
Heat required to change the phase of ice is given by
Q = m* L
here
m = mass of ice
L = latent heat of fusion
now we have
m = 45 kg
L = 334 KJ/kg
now by using above formula
In KJ we can convert this as
so the correct answer is D option