A 2.0 kg rock sits on the edge of a cliff 12 m above the beach. Calculate the kinetic energy of
1 answer:
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Answer:
Explanation:
Current is the rate of flow of charge.
Answer:
B)
Explanation:
The value the scale shows is the reaction force to the normal force (they are equal by Newton's 3rd Law) that the scale exerts on Eric.
The forces on Eric are his weight (downward) and this normal force (upward), so we can write the net force over him as (also using Newton's 2nd Law):
which means
and for our values this is: