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sdas [7]
3 years ago
15

1. A block of aluminum occupies

Physics
1 answer:
Anvisha [2.4K]3 years ago
7 0

Answer:

2700g/L

Explanation:

D=m/v

40.5g/0.015L

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What was also changed in the "Levers" lab when the position of the fulcrum was changed?
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Effort force

Explanation:

When the potion of fulcrum and weight is changed, the mechanical advantage changes.Increasing the distance between the fulcrum and the effort, there is a proportion increase in effort required to lift a load.The ration of the distance from the fulcrum to the position of input and output application gives the mechanical advantage in levers when losses due to friction are not considered.

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Mechanical advantage in Levers : brainly.com/question/11600677

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3 years ago
The table below shows a sample wavelength of each type of electromagnetic radiation, along with its frequency and energy.
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Answer:

D lower energy waves is most likely the safest if one is exposed to.

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A wire along the z axis carries a current of 6.8 A in the z direction Find the magnitude and direction of the force exerted on a
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Answer:

Force is 14.93N along positive y axis.

Explanation:

We know that force 'F' on a current carrying conductor placed in a magnetic field of intensity B is given by

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where L is the length of the conductor

Applying values in the equation we have force F =

\overrightarrow{F}=6.8\times 6.1\widehat{k}\times 0.36\widehat{i}\\\\\overrightarrow{F}=41.48\widehat{k}\times 0.36\widehat{i}\\\\\therefore \overrightarrow{F}=14.93N\widehat{j}

Thus force is 14.93N along positive y axis.

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What do scientist use to determine the temperature of a star
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Color is what scientist use to determine the temperature of a star!

hope this helps!

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4 years ago
What is the magnitude of the average velocity of the hummingbird between 2 sec and t 4 sec <br>​
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Between magnitude of the average 4sec
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