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Alenkinab [10]
2 years ago
14

Understands how formulas are used​

Physics
2 answers:
Anna11 [10]2 years ago
5 0

Answer:

do it ur self i d k

Explanation:

Natali [406]2 years ago
4 0

Answer:

a map tell u sum to do

Explanation:

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A metal block suspended from a spring balance is submerged in water. You observe that the block displaces 55 cm3 of water and th
DiKsa [7]

Answer:

8977.7 kg/m^3

Explanation:

Volume of water displaced = 55 cm^3 = 55 x 10^-6 m^3

Reading of balance when block is immersed in water = 4.3 N

According to the Archimedes principle, when a body is immersed n a liquid partly or wholly, then there is a loss in the weight of body which is called upthrust or buoyant force. this buoyant force is equal to the weight of liquid displaced by the body.

Buoyant force = weight of the water displaced by the block

Buoyant force = Volume of water displaced x density of water x g

                        = 55 x 10^-6 x 1000 x .8 = 0.539 N

True weight of the body = Weight of body in water + buoyant force

m g = 4.3 + 0.539 = 4.839

m = 0.4937 kg

Density of block = mass of block / volume of block

= \frac{0.4937}{55\times10^{-6}}

Density of block = 8977.7 kg/m^3

4 0
3 years ago
The _______ is responsible for determining the frequency of vibration of the air column in the tube within a wind instrument. A.
Vladimir [108]

"A is correct answer." The effective length of the tube is responsible for determining the frequency of vibration of the air column in the tube within a wind instrument. "Hope this helps!" "Have a great day!" "Thank you for posting your question!"

8 0
3 years ago
What are the possible units for a spring constant
AleksAgata [21]
Hooke's Law says that F=-kx where k is the spring constant measured in N/m (newtons per meter)
5 0
3 years ago
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How much power is used if a force of 54 newtons is used to pull a wagon a distance of 10 meters in 6 seconds?
AnnZ [28]
First, calculate the work done: 54 x 10 = 540J.
Now calculate power: 540 / 6 = 90.
The answer is 90W.

Hope this helps.
7 0
3 years ago
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The light reactions of photosynthesis supply the calvin cycle with __________.
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ATP and NADPH

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