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Sergio [31]
3 years ago
8

What do you measure when you measure an object’s mass?

Physics
1 answer:
Effectus [21]3 years ago
3 0

Answer:

how much space it takes up in the world

Explanation:

1) Mass is a measurement of the amount of matter something contains, while Weight is the measurement of the pull of gravity on an object. 2) Mass is measured by using a balance comparing a known amount of matter to an unknown amount of matter. Weight is measured on a scale.

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Which describes reproducibility? The ability of data to be published. The ability of data to be duplicated. The ability of data
olasank [31]

Answer:

the ability of data to be duplicated well described reproducibility

Explanation:

Reproducibitity of a data is the ability of a data to be produced in multiple times using the same procedure. It is used to test how precise a data is and it's usually known as standard deviation

Reproducibility is the closeness of the understanding between the consequences of measurements of the equivalent measurand did with a similar procedure depicted in the relating logical proof (for example a distribution in a companion surveyed diary).

3 0
3 years ago
Read 2 more answers
Convert 3.5 km/hr to m/s
Nastasia [14]

Answer:

0.972222........

Explanation:

1. Convert km/h to m/h by multiplying by 1000

2. Divide by 60 so that you have 58.3333... meters per minute

3. Divide by 60 again so now you have 0.972222... m/s

8 0
3 years ago
Read 2 more answers
Alice kicks a soccer ball with a mass of 2 kg. The ball leaves the ground moving 30 meters per second. What is the kinetic energ
sleet_krkn [62]

By using the formula:

• K.E = ½mv²

  • mass, m = 2 kg
  • Velocity, v = 30 m/s

→ K.E = ½ × 2 × (30)² J

→ K.E = (30)² J

→ K.E = 900 J (Answer)

5 0
2 years ago
For work to be done on a block of wood, which of the following must happen?
Sladkaya [172]
You need to clean and sand wood of any ruff edges
3 0
3 years ago
Read 2 more answers
An electron has a kinetic energy of 10.1 eV. The electron is incident upon a rectangular barrier of height 18.2 eV and width 1.0
podryga [215]

Answer:

factor that the electron's probability of tunneling through the barrier increase 2.02029

Explanation:

given data

kinetic energy = 10.1 eV

height = 18.2 eV

width = 1.00 nm

wavelength = 546 nm

solution

we know that probability of tunneling is express as

probability of tunneling = e^{-2CL}   .................1

here C is = \frac{\sqrt{2m(U-E}}{h}

here h is Planck's constant

c = \frac{\sqrt{2\times 9.11 \times 10^{-31} (18.2-10.1) \times (1.60 \times 10^{-19}}}{6.626\times 10^{-34}}  

c = 2319130863.06

and proton have hf = \frac{hc}{\lambda } = {1240}{546} = 2.27 ev

so electron K.E = 10.1 + 2.27

KE = 12.37 eV

so decay coefficient inside barrier is

c' = \frac{\sqrt{2m(U-E}}{h}

c' = \frac{\sqrt{2\times 9.11 \times 10^{-31} (18.2-12.37) \times (1.60 \times 10^{-19}}}{6.626\times 10^{-34}}  

c' = 1967510340

so

the factor of incerease in transmisson probability is

probability = e^{2L(c-c')}

probability = e^{2\times 1\times 10^{-9} \times (351620523.06)}

factor probability = 2.02029

3 0
3 years ago
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