Cast-iron cannonballs used in the War of 1812 were occasionally heated for some extended time, so that when fired at houses and
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Answer:
<h2>Refer the attachment for answer and explanation please</h2>Explanation:
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Answer:
L= 12 light years
Explanation:
for length dilation we use the formula
now calculating Lo
Lo = 12.5×365×24×3600×3×10^8
= 1.183×10^17 m
now putting the values of v and Lo in the above equation we get
= 1.136×10^17 m
L= m
so L= 12 light years