The answer is C, an objects ability to not change its motion
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Answer:
76 V/m
Explanation:
= Electric potential at initial location = 119 V
= Electric potential at final location = 43 V
= distance between initial and final location = 1 m
= magnitude of electric field
Magnitude of electric field is given as


= 76 V/m
Answer:
Silver Chloride
Explanation:
A <em>precipitate</em> in chemistry is a substance that becomes solid during a chemical reaction.
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Answer:
T = 300 N
Explanation:
As we know that the painter is standing at the middle of the scaffold
So here the two ropes will exert same tension on the scaffold
So we will have

also we know

so we will have


so tension is half of the weight in both the strings
So it is
T = 300 N
When she reaches the top, she has more potential energy than she had at the bottom.
Potential energy = (mass) x (gravity) x (height)
= (40 kg) x (9.8 m/s²) x (5 m)
= 1,960 more joules .
Power = (energy) / (time)
= (1,960 joules) / (7 seconds)
= 280 watts
(about 0.375 horsepower)