At the circus, a 100-kilogram clown is fired 15 meters per second from a 500-kilogram cannon. What is the recoil speed of the ca
nnon?
1 answer:
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Answer:
C. 5.6 × 10^11 N/C
Explanation:
The electric field at a distance
from a charge
is given by
where is the coulomb's constant.
Now, in our case
;
therefore,
which is choice C from the options given<em> (at least it resembles it).</em>