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drek231 [11]
4 years ago
12

1

Physics
1 answer:
lions [1.4K]4 years ago
5 0

Answer:

It includes the preserved soft tissue of an organism

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The unit for energy is the joule (j). If the energy content of an object is 1,000 J, but then later is found to be 900 J, what i
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Answer: the object transferred some of its energy to its surroundings.

Explanation:

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A force of 10N acts on a car for 3 seconds. The impulse imparted on the car is
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Answer:

30N*s

Explanation:

Given the following data;

Force = 10N

Time = 3 seconds

To find the impulse;

Impulse = force * time

Substituting into the equation, we have;

Impulse = 10 * 3

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After watching a show about submarines, Jamil wants to learn more about the oceans. Which question could be answered through sci
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3 years ago
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A 300 g glass thermometer initially at 23 ◦C is put into 236 cm3 of hot water at 87 ◦C. Find the final temperature of the thermo
DIA [1.3K]

Answer:

74^{\circ} C

Explanation:

We are given that

Mass of glass,m=300 g

T_1=23^{\circ}

Volume,V=236cm^3

Mass of water=density\times volume=1\times 236=236 g

Density of water=1g/cm^3

Temperature of hot water,T=87^{\circ}

Specific heat of glass,C_g=0.2cal/g^{\circ}C

Specific heat of water,C_w=1 cal/g^{\circ}C

Q_{glass}=m_gC_g(T_f-T_1)=300\times 0.2(T_f-23)

Q_{water}=m_wC_w(T_f-T)=236\times 1(T_f-87)

Q_{glass}+Q_{water}=0

300\times 0.2(T_f-23)+236\times 1(T_f-87)

60T_f-1380+236T_f-20532=0

296T_f=20532+1380=21912

T_f=\frac{21912}{296}=74^{\circ} C

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3 years ago
An atom is made up of which of the following?
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Answer:

B electrons protons and neutrons

hope i helped...

Explanation:

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4 years ago
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