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patriot [66]
3 years ago
10

Which of the following is NOT a vector quantity? displacement speed acceleration force​

Physics
2 answers:
stiks02 [169]3 years ago
8 0

Answer:

Displacement

Explanation:

vovikov84 [41]3 years ago
7 0
Speed is not a vector quantity
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A jetliner rolls down the runway with constant acceleration from rest, it reaches its take off speed of 250 km/h in 1 min. What
nlexa [21]

Answer:

Acceleration, a=14970.05\ km/h^2

Explanation:

Given that,

Initially, the jetliner is at rest, u = 0

Final speed of the jetliner, v = 250 km/h

Time taken, t = 1 min = 0.0167 h

We need to find the acceleration of the jetliner. The mathematical expression for the acceleration is given by :

a=\dfrac{v-u}{t}

a=\dfrac{250}{0.0167}

a=14970.05\ km/h^2

So, the acceleration of the jetliner is 14970.05\ km/h^2. Hence, this is the required solution.

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4 years ago
What is the diamnsanion of force
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Answer:

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Calculate the de Broglie wavelength of an electron traveling at 2.0 x 10^8 m/s (me = 9.1*10^-31 kg).
timofeeve [1]

Answer:

\lambda=3.64\times 10^{-12}\ m

Explanation:

We have,

Speed of an electron is 2\times 10^8\ m/s

It is required to find the De Broglie wavelength of electron. The formula for the De- Broglie wavelength is given by :

\lambda=\dfrac{h}{mv}

h is Planck's constant

m is mass of an electron

Plugging all the values we get :

\lambda=\dfrac{6.63\times 10^{-34}}{9.1\times 10^{-31}\times 2\times 10^{8}}\\\\\lambda=3.64\times 10^{-12}\ m

So, the De-Broglie wavelength of an electron is 3.64\times 10^{-12}\ m

4 0
4 years ago
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I think the correct answer would be that there are a relatively small number of moles of HCl present. Dilute would mean that there are very few solute particles dissolved as compared to the solvent particles in the solution. Hope this helps.
6 0
3 years ago
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How many ounces in a liter
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One liter is equivalent to around 34 ounces (33.81 more exactly).

Fun fact: there are different ounces. So if you meant the imperial ounce then one liter would be equivalent to 35.2 ounces
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3 years ago
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