2 years ago

Explain how vectors differ from scalars.

Physics

1 answer:

s344n2d4d5 [400]2 years ago

7 0

Answer:

Vectors are fully described by magnitude and direction while scalars are fully described by magnititude/ size only

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2 years ago

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Over 4 seconds, a car's momentum decreases by 1000 kg m/s how much force did it take to make this happen?

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250N

Explanation:

Given parameters:

Time = 4s

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Unknown:

Force = ?

Solution:

To solve this problem, we use Newton's second law of motion;

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2 years ago

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$v$ = Speed of car

Frequency observed is given as

$f' = \frac{Vf}{V+v}$

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3 years ago

A system of ideal gas at 22°C undergoes an ischoric process with an internal energy decrease of 4.30 × 10 3 4.30×103 J to a fina

Komok [63]

Answer:

The approximate change in entropy is -14.72 J/K.

Explanation:

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Where, $\Delta U$ = internal energy

T = average temperature

Put the value in to the formula

$\Delta S=\dfrac{-4.30\times10^{3}}{\dfrac{22+273+16+273}{2}}$

$\Delta S=-14.72\ J/K$

Hence, The approximate change in entropy is -14.72 J/K.

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3 years ago

When you hold a frozen banana treat in your hands, which statement BEST describes what is taking place? A. Heat is flowing from

Andrej [43]

Answer:

The answer is A

Explanation:

It is A because your body heat is warmer than the banana and when you hold it the heat is transferring over.

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3 years ago

Explain how vectors differ from scalars.​

Explain how vectors differ from scalars.