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krok68 [10]
2 years ago
10

ASAP HELPPPPPP POP PLEASE​

Physics
1 answer:
drek231 [11]2 years ago
5 0

Answer:

The answer is in the attachment

Explanation:

<em>!</em><em>!</em><em>PLEASE</em><em> </em><em>PLEASE</em><em> </em><em>PLEASE</em><em> </em><em>PLEASE</em><em> </em><em>PLEASE</em><em> </em><em>MARK</em><em> </em><em>ME</em><em> </em><em>THE</em><em> </em><em>BRAINLIEST</em><em>!</em><em>!</em>

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Which of the following is a TRUE statement?
pshichka [43]

Answer:

e. All of these statements are false.

Explanation:

As we know that heat transfer take place from high temperature to low temperature.

It is possible to convert all work into heat but it is not possible to convert all heat in to work some heat will be reject to the surrounding.

The first law of thermodynamics is the energy conservation law.

Second law of thermodynamics  states that it is impossible to construct a device which convert all energy into work without rejecting the heat to the surrounding.

By using heat pump ,heat can transfer from cooler body to the hotter body.

Therefore all the answer is False.

5 0
3 years ago
Atmospheric pressure varies from day to day. The level of a floating ship on a high-pressure day is (a) higher (b) lower, or (c)
frez [133]

Answer:

(c) no different than on a low-pressure day.

Explanation:

The force acting on the ship when it floats in water is the buoyant force. According to the Archimedes' principle: The magnitude of buoyant force acting on the body of the object is equal to the volume displaced by the object.

Thus, Buoyant forces are a volume phenomenon and is determined by the volume of the fluid displaced.  

<u>Whether it is a high pressure day or a low pressure day, the level of the floating ship is unaffected because the increased or decreased pressure at the all the points of the water and the ship and there will be no change in the volume of the water displaced by the ship.</u>

5 0
3 years ago
Your partner has been working on your group's circuit and has left the work area. before you begin working on the circuit, what
Brrunno [24]
You should disconnect all wires from the circuit or make sure the switch is off or batteries are out
5 0
3 years ago
To Mr. H's disgust, a 450-g black crow is raiding the recently-filled bird feeder. As Mr. H runs out the back door with his broo
bagirrra123 [75]

Answer:

Actually it's 2.50 m/s, sorry

Explanation:

It is solved by using momentum conservation equation

combined mass of crow and feeder = 450+670=1120 gm

let the recoil speed of feeder be v m/s

Then applying momentum conservation we get;

1120×1.5 = 670×v

v= 2.50 m/s

the speed at which the feeder initially recoils backwards = 2.50 m/s

5 0
3 years ago
Why are electromagnets more useful than permanent magnets in many
Likurg_2 [28]

Answer: Electromagnets can be turned on and off by controlling the current

Explanation:

5 0
2 years ago
Read 2 more answers
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