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2 years ago

How are vectors quantities important to us in our daily life

Physics

1 answer:

FromTheMoon [43]2 years ago

8 0

Answer:

they help us allocate a particular place in case one needs to allocate or find a place or something

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1. Is The larger the mass the greater the acceleration is on a smaller object?

zheka24 [161]

Answer:No,a smaller object would have more acceleration because it would take less force to move.

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2 years ago

Which statement best describes the electrons in this illustration ?

Nonamiya [84]

A. electrons are negatively charged outside nucleus

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2 years ago

Read 2 more answers

What is the value of the boltzmann constant of 1.7 moles of gas at 290 K that has an average kinetic energy of 1.4 MJ? A. 7x10^-

fredd [130]

Answer:

The value of of the Boltzmann constant is $3.14\times 10^{-23} J/K$ .

Explanation:

Generally the formula for average kinetic energy of a molecule :

$K.E=\frac{3}{2}kT$

where,

k = Boltzmann’s constant

T = temperature = 290 K

Given:

Number of molecules in 1.7 moles:

$1.7\times 6.022\times 10^{23} molecules=1.0237\times 10^{24} molecules$

Average kinetic energy of 1.7 moles = 1.4 MJ = $1.4\times 10^6 J$

Average kinetic energy of 1 molecule = $\frac{1.4\times 10^6 J}{1.023\times 10^{24}} =1.3675\times 10^{-18} J$

$1.3675\times 10^{-18} J=\frac{3}{2}\times k\times (290K)$

$k=3.14\times 10^{-23} J/K$

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3 years ago

The magnitude of vector λa is 5. Find the value of λ, if: a = (−6, 8)

Nata [24]

Given :

$\: \:$

$\color{pink}{\rm \: The \:magnitude \:of \:vector\: λa\: is \: {\bold5\:}}$

$\:$

$\color{green}{\rm \: a = (−6, 8)}$

$\:$

To Find :

$\: \:$

$\orange{ \rm\: value \: of \: \bold{ λ \: }}$

$\: \:$

$\rm \: The \: magnitude \: of \: the \: vector \: a \: is \: ||a|| = \sqrt{(-6)^2+ 8^2)} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \rm = \sqrt{( 36+64)} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:\:\: \: \:\:= \rm\sqrt{100} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:\\\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:\: \rm \underline{\boxed{\red{ \: = 10 \: }}} \green✓$

$\: \:$

$\rm \: Therefore, \: λ = \cancel{\frac{5}{10} } \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \underline { \: \boxed{ \red{\: \rm = 0.5\:}}}{ \green ✓ }$

Hope helps ~

$\color{purple}\frak{SarcasticSmileeᥫ᭡}$

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2 years ago

A motorcycle travels 15 km west in an hour. The motorcycle then travels 35 km east in another hour.

maria [59]

Answer:

Explanation:

the velocity of the motorcycle is 50

5 0

2 years ago