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2 years ago

What two principal factors affect the force of air resistance on a falling object?.

1 answer:

riadik2000 [5.3K]2 years ago

8 0

Most of the force is determined by frontal area and speed. The object's speed and cross-sectional area are the two fundamental factors that influence air resistance.

<h3>What two principal factors affect the force of air resistance on a falling object? </h3>

Most of the force is determined by frontal area and speed. The object's speed and cross-sectional area are the two fundamental factors that influence air resistance. There will be more air resistance the quicker an object is moving. The same is true for a big cross-sectional area; a larger surface area causes more air resistance.

The object's speed and cross-sectional area are the two most frequent variables that directly affect the quantity of air resistance. The amount of air resistance rises with increasing speed.

The acceleration during a fall will be smaller than g when air resistance is present because it slows down the velocity of the falling objects. The object's speed and surface area are two critical parameters that affect air resistance.

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To learn more about air resistance refer to:

brainly.com/question/25748718

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A meteoroid is traveling east through the atmosphere at 18. 3 km/s while descending at a rate of 11.5 km/s. What is its speed, i

Annette [7]

Answer:

The speed of meteoroid is 21.61 km/s in south-east.

Explanation:

Given that,

A meteoroid is traveling through the atmosphere at 18.3 km/s. while descending at a rate of 11.5 km/s it means 11.5 km/s in south.

We need to draw a diagram

Using Pythagorean theorem

$AC^2=AB^2+BC^2$

$AC^2=(18.3)^3+(11.5)^2$

$AC=\sqrt{(18.3)^2+(11.5)^2}$

$AC=21.61\ km/s$

Hence, The speed of meteoroid is 21.61 km/s in south-east.

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3 years ago

A pendulum is released from rest at point A. If the horizontal line represents the reference point, the pendulum has energy at p

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Only kinetic

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3 years ago

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Finish the sentence below with the word that makes the sentence true.

Keith_Richards [23]

Answer:

Animals must eat other plants or animals to obtain the <u>energy</u> stored in the food

Explanation:

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3 years ago

An ideal spring hangs from the ceiling. A 1.95 kg mass is hung from the spring, stretching the spring a distance d=0.0865 m from

uranmaximum [27]

Answer:

kinetic energy = 0.1168 J

Explanation:

From Hooke's law, we know that ;

F = kx

k = F/x

We are given ;

Mass; m = 1.95 kg

Spring stretch; d = x = 0.0865

So, Force = mg = 1.95 × 9.81

k = 1.95 × 9.81/0.0865 = 221.15 N/m

Now, initial energy is;

E1 = mgL + ½k(x - L)²

Also, final energy; E2 = ½kx² + ½mv²

From conservation of energy, E1 = E2

Thus;

mgL + ½k(x - L)² = ½kx² + ½mv²

Making the kinetic energy ½mv² the subject, we have;

½mv² = mgL + ½k(x - L)² - ½kx²

We are given L=0.0325 m

Plugging other relevant values, we have ;

½mv² = (1.95 × 9.81 × 0.0325) + (½ × 221.15(0.0865 - 0.0325)² - ½(221.15 × 0.0865²)

½mv² = 0.62170875 + 0.3224367 - 0.82734979375

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3 years ago

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