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VashaNatasha [74]
3 years ago
6

Which of the following has high specific heat capacity?

Physics
1 answer:
Molodets [167]3 years ago
4 0

Option D - Water (why does it needs to be 20 words long)

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Can anyone plz help me ​
Alekssandra [29.7K]

Answer:

1.) volume = 8 cm^3

2.) density = 2.6 g/cm^3

Explanation:

1.) volume =

side {}^{3}

=》

{2}^{3}

=》

8 \: cm {}^{3}

2.) density =

\frac{mass}{volume}

=》

\frac{20.8}{8}

=》

2.6 \: g \: cm {}^{ - 3}

density = 2.6

3 0
3 years ago
A machine does 1000 J of work in 3.5 minutes (210 seconds). What is
irina [24]

Answer: 4.76 watts

Explanation:

Work = 1000 J

Time = 3.5 minutes (210 seconds)

Since the SI unit of time is seconds, 210 seconds will be used in calculation.

Power output of the machine = ?

Recall that power is the rate of doing work. Thus, power is Workdone divided by time taken.

i.e Power = (work/time)

Power = 1000J/210seconds

Power = 4.76 watts

Thus, the power output of the machine is 4.76 watts

4 0
3 years ago
What force is necessary to accelerate a 50kg box at 30 m/s2?
sammy [17]

Answer:

F = m X a

Therefore ,

Force required = 50 X 30 = 1500 newton

6 0
3 years ago
Which of the following contributes to the phases of the Moon as seen from Earth?
balandron [24]

Answer: Varying amounts of the Moon's lit surface being visible from Earth.

Explanation:

Phases of the moon can be defined as the different shapes of the moon visible from the Earth. This happens because sun lits up the face of moon and due to different position of moon in the orbit around earth, varying portion of the lit surface of the moon is visible from Earth. Refer to the diagram below:            

4 0
3 years ago
Read 2 more answers
One nanometer is equal to how many centimeters
mrs_skeptik [129]
1 nanometer =

1 × 10-7 centimeter

3 0
3 years ago
Read 2 more answers
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