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Anastaziya [24]
3 years ago
11

Which sentence states Newton’s third law?

Physics
1 answer:
Cerrena [4.2K]3 years ago
6 0

Answer:

A. If two objects collide, each object exerts a force in the same direction as the other.

Explanation:

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The rotational speed of earth is similar to?​
m_a_m_a [10]
Actually, the speed of the earth is the same everywhere, taking the angular speed as the valid measure of the speed
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Which of the following is the equation for calculating daily caloric needs? A. BMR calories + Digestion calories B. BMR calories
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Explanation:

To determine your total daily calorie needs, multiply your BMR by the appropriate activity factor, as follows: If you are sedentary (little or no exercise) : Calorie-Calculation = BMR x 1.2. If you are lightly active (light exercise/sports 1-3 days/week) : Calorie-Calculation = BMR x 1.375.

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6. A wave has a frequency of 600 Hz and is traveling at 300 m/s. What is its<br> wavelength?
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Answer:

0.5m

Explanation:

v=f×lamda

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lamda=v/f

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2 years ago
When designing a roller coaster what are the biggest considerations?
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3 years ago
20.0 moles, 1840 g, of a nonvolatile solute, C 3H 8O 3 is added to a flask with an unknown amount of water and stirred. The solu
Anastasy [175]

Answer:

0.144 kg of water

Explanation:

From Raoult's law,

Mole fraction of solvent = vapor pressure of solution ÷ vapor pressure of solvent = 423 mmHg ÷ 528.8 mmHg = 0.8

Let the moles of solvent (water) be y

Moles of solute (C3H8O3) = 2 mole

Total moles of solution = moles of solvent + moles of solute = (y + 2) mol

Mole fraction of solvent = moles of solvent/total moles of solution

0.8 = y/(y + 2)

y = 0.8(y + 2)

y = 0.8y + 1.6

y - 0.8y = 1.6

0.2y = 1.6

y = 1.6/0.2 = 8

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7 0
3 years ago
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