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3 years ago

Make the following conversion. 120 mL = _____ cm³ 12.0 1200 120 1.20

Physics

2 answers:

omeli [17]3 years ago

7 0

120 is your answer. 120 mL = 120 cm^3

leonid [27]3 years ago

6 0

Answer : 120

Explanation:

Volume of the gas is defined as the space occupied by a substance. It is expressed in units like L and ml.

All these units of volume are inter convertible.

We are given:

Volume of the gas = 120 ml

Converting this unit of volume into $cm^3$ by using conversion factor:

$1ml=1cm^3$

Thus 120 ml= $\frac{1}{1}\times 120=120cm^3$

Thus the volume is $120cm^3$

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Person is lifting a 250 N dumbbell. The weight is 30 cm from the pivot point of the elbow. What force must be exerted five from

qwelly [4]

Refer to the diagram shown below.

The force, F, is applied at 5 cm from the elbow.

For dynamic equilibrium, the sum of moments about the elbow is zero.
Take moments about the elbow.
(5 cm)*(F N) - (30 cm)*(250 N) = 0
F = (30*250)/5 = 1500 N

Answer: 1500 N

4 0

3 years ago

2. Michelle bought 15.6 yards of fabric. She used 5.43 yards in her art 10 points

viktelen [127]

Do find the percentage you:
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Time by 100:
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Closest answer is 35%

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8 0

3 years ago

Europe and North America are moving apart by about 5 m per century. As the continents separate, new ocean floor is created along

Alinara [238K]

Answer:

Area = 25km² in a century.

Explanation:

Given

Spread Rate = 5m/century

Length of rift = 5000km

Convert to metres

Length of rift = 5000 * 1000m

Length of rift = 5,000,000m

In one century, the additional area to Atlantis = (Rift Length) * (Spread rate) * 1 century

Atea = 5,000,000 m * 5m/century * 1 century

Area = 25,000,000m² in a century

----- Convert to km²

Area = 25,000,000km² * 1m²/1,000,000km²

Area = 25km² in a century.

Hence, the total area of new ocean floor created in the Atlantic each century is 25km²

6 0

3 years ago

What form water has the greatest kinetic energy

Ray Of Light [21]

Answer:

Boiling water

Explanation:

Boiling water because it has the most rapid movement.

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3 years ago

How many kWh of energy does a 550-W toaster use in the morning if it is in operation for a total of 5.0 min? At a cost of 9.0 ce

iren [92.7K]

Answer:

0.0458 kWh

6.5736 cents

Explanation:

The formula for electric energy is given as

E = Pt................. Equation 1

Where E = Electric energy, P = Electric power, t = time.

Given; P = 550 W, t = 5 min = (5/60) h = 0.083 h.

Substituting into equation 1

E = 550(0.083)

E = 45.83 Wh

E = (45.83/1000) kWh

E = 0.0458 kWh.

Hence the kWh = 0.0458 kWh.

If the makes a toast four morning per week, and the are Four weeks in a month.

Total number days he makes toast in a month = 4×4 = 16 days.

t = 16×0.083 h = 1.328 h.

Total energy used in a month = 550(1.328)

E = 730.4 Wh

E = 0.7304 kWh.

If the cost of energy is 9.0 cents per kWh,

Then for 0.7304 kWh the cost will be 9.0(0.7304) = 6.5736 cents.

Hence this would add 6.5736 cents to his monthly electric bill

3 0

3 years ago