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Anna [14]
3 years ago
7

When doing scientific research ,the sources used should be ?

Physics
2 answers:
quester [9]3 years ago
6 0

Answer: Reliable and trusted

Sliva [168]3 years ago
4 0

The sources used in the scientific research purpose should be reliable.

<u>Explanation: </u>

In doing the scientific research, the sources must not be of popular kind but should be representative kind which could represent the material and method adopted in the research very well. The sources are never termed as new or old sources, as the source is not bounded by time but space.

The source applicability is defined by the parameter used in the specified location and not time. Therefore, the source must be reliable which could give definite information and trustworthy.

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what is the mass of a pure platinum disk with a volume of 113 cm3? the density of platinum is 21.4 g/cm3
Oduvanchick [21]
V=m×d
m=v/d
m=113/21.4
m=5.28g


6 0
3 years ago
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Gemiola [76]

Solution:
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Have the highest birth rate
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3 years ago
a swimmer experiences a total (absolute) pressure of 117,500 pa in a pool. how far below the surface are they located?
marta [7]

Answer:

Explanation:

We know that the pressure can be calculated in the following way:

p = d·g·h

with d being the density of the water, g the gravitational acceleration and h the depth.

Also d of the water = 1000 kg/m^3 circa and g = 9.8 m/s^2 circa

117,500 Pa = 1000kg/m³ · 9.8m/s² · h

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4 0
2 years ago
An object has a momentum of 4,000 kg-m/s and a mass of 115 kg. It crashes into another object that has a mass of 100 kg, and the
ANTONII [103]

Answer:

18.60  m/s

Explanation:

Original momentum = mv = 4000        with m = 115    

after collision   m = 115 + 100 = 215 kg

  but the total momentum is still the same (conserved)

          4000 = 215 v      shows v = 18.60 m/s

4 0
2 years ago
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