A 5 kg ball travels at a velocity of 10 m/s, what is the momentum of the ball
2 answers:
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Answer:
Using the Fundamental Equation of Wave, we have:
Explanation:
The question is incomplete. The complete question is :
A platypus foraging for prey can detect an electric field as small as 0.002 N/C.
-To give an idea of sensitivity of the platypus's electric sense, how far from a +80nC point charge does the field have this magnitude?
Solution :
Given electric field, E = 0.002 N/C
Charge, Q = + 80 nC
or
R = 600 m
This is the distance of the charge from the point of observations.