3 years ago

Why is the use of an international system of measurement important for science?

1 answer:

8 0

Answer:

To avoid confusion when measuring, scientists use a shared system of measurement, called the International System of Units (SI). A common measurement system allows us to make direct comparisons instead of having to know things like how much a certain animal weighs.

Explanation:

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A brick has a length of 15 cm width of 10 cm and height of 5 cm. What is the volume if the brick

Pie

Answer:

750cm³

Explanation:

volume = length × width × height

15 × 10 × 5 = 750

750cm³

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3 years ago

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LAGOS PROVINCE 10

Tju [1.3M]

Answer:

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3 years ago

A 14 kg block lifted 5 m has a gravitational potential energy of

harina [27]

Answer:

700 joules

Explanation:

potential energy = m × h × g

( m = mass, h = height, g = acceleration due to gravity )

P.E = 14 × 5 × 10
P.E = 700 J

hence, gravitational potential energy of the object is 700J

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3 years ago

The mass of the hammer is 0.454 kg. Calculate the weight of the hammer.

Taya2010 [7]

Explanation:

weight =0.454 × 9.8=4.4492N

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A gas has an initial volume of 168 cm3 at a temperature of 255 K and a pressure of 1.6 atm. The pressure of the gas decreases to

grandymaker [24]

P1V1/T1 = P2V2/T2

(1.6atm)(168cm^3)/(255K) = (1.3atm)V2/(285K)

Final volume = 231cm^3

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4 years ago