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VLD [36.1K]
3 years ago
11

Time: distance: direction:velocity

Physics
1 answer:
juin [17]3 years ago
7 0
Do you want the formula?

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The brakes in a car increase in temperature by ΔT when bringing the car to rest from a speed v. How much greater would ΔT be if
Wewaii [24]

Answer:

T would be two times the temperature That it was before the double so if the initial temperature was 20 it would now be 40

Explanation:

4 0
3 years ago
Explain how a refrigerator works to cool down warm objects that would otherwise be room temperature
expeople1 [14]

Answer: evaporation

Explanation:

Refrigerators work by causing the refrigerant circulating inside them to change from a liquid into a gas. This process, called evaporation, cools the surrounding area and produces the desired effect.

8 0
3 years ago
HELP!! WILL MARK BRAINLIEST!!!!!
krek1111 [17]

Answer:

Create

Broken

Explanation:

Bond formation or creation requires the use of energy. Energy is used during bond formation between chemical species. The energy is required for the reaction to occur.

  • When bonds are broken, energy is released
  • Bond breaking process is a procedure that releases energy.
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5 0
3 years ago
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
If the number of particles is increased in a balloon what happens to the pressure inside of it?
Klio2033 [76]
The air pressure inside the balloon increases as the number of particles increases.
8 0
3 years ago
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