Answer:
It's A
Explanation:
Although I'm not sure about the second one, I'm sure the first one is A
Hi there!
In this instance, the object spinning in a horizontal circle will experience a net force in the horizontal direction due to tension.
The net force is equivalent to the centripetal force, so:
∑F = T
mv²/r = T
Solve for v:
v = √rT/m
v = 13.96 m/s
Melting: as mantle material rise toward the divergent plate boundary the pressure is reduced which causes melting
Answer:
4.3A
Explanation:
V=IR
120=I×28
I=120/28
=4.3
hope this helps
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