Answer:
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Answer:
D
Explanation:
The particles will move side to side over large areas
Answer:
the maximum vertical height the person in the cart can reach is 18.42 m
Explanation:
Given;
mass of the person in cart, m₁ = 45 kg
mass of the cart, m₂ = 43 kg
acceleration due to gravity, g = 9.8 m/s²
final speed of the cart before it goes up the hill, v = 19 m/s
Apply the principle of conservation of energy;

Therefore, the maximum vertical height the person in the cart can reach is 18.42 m
A piece of wood is has a density of 0.6 g/cm3. when dipped in olive oil of density 0.8 g/cm3, 0.75 fractions of the wood is submerged inside the oil.
Fractions describe any number of parts of a whole, or more generally equal parts.In everyday English, fractions describe how many parts of a particular size there are. 8, 3/4.
In mathematics, fractions are used to represent proportions/parts of a whole. represent the same part of the whole. A fraction has two parts, a numerator and a denominator. The top number is called the numerator and the bottom number is called the denominator. A fraction is a part of a whole number and a way of dividing a number into equal parts. It is described as the number of equal parts counted (called the numerator) to the number of whole parts called the denominator. These numbers are separated by dashes.
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High-density altitude and high humidity do not ever go hand in hand. If high humidity does exist, however, it exists wise to add 10 percent to your calculated takeoff distance and expect a reduced climb rate.
With a longer takeoff distance, the air exists less dense.
<h3>How do atmospheric temp pressure and rel humidity affects aircraft performance?</h3>
Several elements (altitude/pressure, temperature, and humidity) affect air density. A more elevated altitude, low-pressure area, higher temperature, and increased humidity all contain one effect: they lower the density of the air. And as a consequence of that: a decrease in aircraft and engine performance.
Humidity reduces the implementation of most aircraft, not only because of its effect on the wings but also effect on the engines. Humidity contains a significant effect on the path of plane flies. This exists due to the weight of the air when it exists in humid.
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