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worty [1.4K]
3 years ago
11

Dont skip need help ASAP and pls hurry will give 10 pts + brainliest

Physics
2 answers:
forsale [732]3 years ago
8 0
C, believe you need to test others, can’t just test one thing with eachother several times
Gemiola [76]3 years ago
3 0

Answer:

C

Explanation:

In order for an experiment to be valid need to be conducted with several tested variables

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3 years ago
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Solve the equation 3x^2+8x+5=0
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3x^2+8x+5=0\\
3x^2+3x+5x+5=0\\
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Consider a parachutist that has reached terminal velocity. which of the following is true? A.) The acceleration of the parachuti
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The correct answer is:
<span>B.) At terminal velocity there is no net force 

In fact, when the parachutist reaches the terminal velocity, his velocity does not change any more. It means that the acceleration acting on the parachutist is zero, and for Newton's second law, this means the net force acting on him is zero:
</span>\sum F = ma = 0
<span>because the acceleration is zero: a=0. 
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