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zavuch27 [327]
2 years ago
9

Which are the upthrust forces?

Physics
2 answers:
anygoal [31]2 years ago
6 0

Explanation:

An object that is partly or completely submerged experiences a greater pressure on its bottom surface than on its top.

Bond [772]2 years ago
4 0

Answer:

upthrust force is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object

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A change in color during a reaction is often a sign that a chemical change has occurred.
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3 years ago
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A length change 0.08 m will occur for an object that is L= 56 m long. If the coefficient of thermal expansion is5.3 x 10 /C and
ArbitrLikvidat [17]

Answer:

Increase in temperature =  269.54 °C

Explanation:

We have equation for thermal expansion

          ΔL = LαΔT

Change in length, ΔL = 0.08 m

Length, L = 56 m

Coefficient of thermal expansion, α = 5.3 x 10⁻⁶ °C⁻1

Change in temperature, ΔT = T - 253

Substituting

          0.08 = 56 x 5.3 x 10⁻⁶ x (T - 253)

         (T - 253) = 269.54

           T = 522.54 °C

Increase in temperature =  269.54 °C      

4 0
3 years ago
A balloon filled with helium has a small hole on the right side of the balloon. How would Pascal explain why the entire balloon
Morgarella [4.7K]

Answer:

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4 0
2 years ago
How much power is needed to lift the 200-N object to a height of 10 m in 4 s?
harkovskaia [24]

Answer:

500 watts

Explanation:

Recall that the definition of power is the amount of energy delivered per unit of time.

In our case, the energy delivered is potential energy which we can estimate as the product of the weight of the object times the distance it is lifted above ground:

200 N x 10 m = 2000  Nm

then the power is the quotient of this potential energy divided the time it took to lift the object to that position:

Power = 2000 / 4   Nm/s = 500 Nm/s = 500 watts

6 0
3 years ago
It is very important that experiments are documented and<br> conducted with a procedure that can be?
Ksenya-84 [330]

Answer:

Repeated

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An experiment must be done multiple times to prove its validity.

hope this helps- Cam ♡

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3 years ago
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