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UkoKoshka [18]
3 years ago
6

PLEASE HELP DUE TODAY!

Physics
1 answer:
Rama09 [41]3 years ago
4 0

Answer:

Since the Kinetic energy forumla is K=(1/2)mv^2 if you double the mass the kinetic energy of the object also doubles. for example if your object has a mass of 3 and a velocity of 2 then its K.E. equals 6, if you then double its mass the kinetic energy now equals 12. A good analogy would be something like a bowling ball, if you throw a 12 pound ball at the same speed as a 6 pound ball, the force from the 12 pound ball would be exactly double to the 6 pound ball.

Explanation:

man, english isnt my strong suit. you have all you need here to make a A level answer just fix grammar as needed. I cant imagine this is a high level physics class so in reality just make it so it would be plagirsm detected.

Also a side note this may help you in the future. if u double its velocity its K.E. actually quadruples since V is squared.  

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A fish (6 kg) is being yanked vertically upward out of the water and the fishing line breaks. If the line is rated to a maximum
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Answer:

15.2 m/s²

Explanation:

Acceleration: This can be defined as the rate of change of velocity. The S.I unit of acceleration is m/s²

From the question,

F-W = ma......................... Equation 1

Where F = Tension on the line, W = weight of the fish, m = mass of the fish, a = acceleration of the fish.

But,

W = mg........................ Equation 2

Where g = acceleration due to gravity.

Substitute equation 2 into equation 1

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make a the subject of the equation

a = (F-mg)/m.................... Equation 3

Given: F = 150 N, m = 6 kg,

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a = [150-(6×9.8)]/6

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a = 15.2 m/s²

Hence the minimum acceleration of the fish = 15.2 m/s²

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