2 years ago

Which material held its heat longer?

Physics

1 answer:

Ostrovityanka [42]2 years ago

5 0

Zeolite thermal storage held its heat longer.

or it can be water also

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Pls answer this

igor_vitrenko [27]

Answer:

37.8225 J

Explanation:

kinetic energy = 1/2 of mass x $velocity^{2}$

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3 years ago

justin and his friends are on the football team. they consider skateboarders at their school to be an out-group. what does this

laila [671]

A. They have negative feelings about the skateboarders. -apex

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4 years ago

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Match the term with its description.

Mrac [35]

A=Ion

B=pH

C=Acid

D=Alkaline

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3 years ago

Which wave, A or B, has higher energy?

eduard

Answer:

Wave A.

Explanation:

The energy of a wave is directly proportional to the square of the amplitude.

If a wave has higher amplitude, it will have more energy. On the other hand, a wave having lower amplitude, it will have less eenergy.

In this case, we need to tell which wave has higher energy. Hence, the correct option is A because it has a higher amplitude.

8 0

3 years ago

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considere que o calor específico de um material presente nas cinzas seja c=0,8j/gc. Supondo que esse material entre na turbina a

drek231 [11]

Answer:

3120J

Explanation:

Given parameters:

C = Specific heat capacity = 0.8J/g°C

Initial temperature = 20°C

Mass given = 5g

Final temperature = 800°C

Unknown:

Energy given to the mass = ?

Solution:

To find the energy given to the mass, let us simply use the expression below:

H = m c ΔT

H is the unknown, the energy supplied

m is the mass of the substance

c is the specific heat capacity

ΔT is the change in temperature

Input the variables;

H = 5 x 0.8 x (800 - 20) = 3120J

7 0

3 years ago