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iVinArrow [24]
3 years ago
8

Grey heated a cup of cocoa in the microwave. When she removed it from the microwave, the cocoa was too hot to drink, so she left

it on the counter. Grey
forgot about the cocoa for two hours. When she remembered it, she found that the cocoa was the same temperature as the room. How did the cocoa become
room temperature?
The heat from the cocoa was released as friction.
The cooler temperature of the air in the room was transferred to the
Cocoa
The heat from the cocoa was transferred to the cup and to the air in the room.
The cooler temperature of the counter was transferred to the cocoa through the cup.
Physics
1 answer:
Ostrovityanka [42]3 years ago
4 0

Answer:

c

Explanation:

the heat from the coco was transferred to the cup and then to the air in the room

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3 years ago
Carlos gives a grocery cart a 60-N push. The cart has a mass of 40 kg. What is the cart's acceleration?
andre [41]
<h3>Answer:</h3>

1.5 m/s²

<h3>Explanation:</h3>

We are given;

Force as 60 N

Mass of the Cart as 40 kg

We are required to calculate the acceleration of the cart.

  • From the newton's second law of motion, the rate of change in momentum is directly proportional to the resultant force.
  • That is, F = ma , where m is the mass and a is the acceleration

Rearranging the formula we can calculate acceleration, a

a = F ÷ m

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Therefore, the acceleration of the cart is 1.5 m/s²

3 0
3 years ago
Please give best dialogue in photo that is attached And you are marked as Brainliest
coldgirl [10]

Answer:

The correct answer is

Explanation:

Character 1: Why are these comic books so hard to read? Can u read them?

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Hope this helps....

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8 0
3 years ago
Read 2 more answers
The coefficient of kinetic friction between a suitcase and the floor is 0.272. You may want to review (Pages 196 - 203) . Part A
vazorg [7]

Answer:

Explanation:

The work required to push will be equal to work done by friction . Let  d be the displacement required .

force of friction = mg x μ where m is mass of the suitcase , μ be the coefficient of friction

work done by force of friction

mg x μ x d   = 660

80 x 9.8 x .272 x d = 660

d = 3 .1 m .

8 0
3 years ago
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