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Yakvenalex [24]
3 years ago
10

A scientist adds different amounts of salt to 5 bottles of water. She then measures how long it takes for the water to boil. Wha

t is the responding variable in this experiment
Physics
1 answer:
postnew [5]3 years ago
8 0

Answer:

the responding variable is the water boiling

Explanation:

a responding variable is the same thing as a dependent variable and an independent variable you change the independent variable is the amount of salt, the control group is how long water takes to boil without adding salt, and a constant is the same amount of water

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Answer:

(a)2.865 s

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Explanation:

We are given that

Acceleration,a=3.49 m/s^2

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We know that

t=\frac{v-u}{a}

Using the formula

t=\frac{39-29}{3.49}=2.865 s

b.Initial speed,u=59 m/s

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Again using the formula

t=\frac{69-59}{3.49}=2.865 s

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