2 years ago

Explain how the force of air resistance depends on an object speed

1 answer:

8 0

<span>for small, slower moving objects, the force of air resistance varies as the first power of v; for larger and faster objects, air resistance varies as the square of speed, or as v^2
</span>
for small, slower moving objects, the force of air resistance varies s the first power of v; for larger and faster objects, air resistance varies as the square of speed, or as v^2

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As an airplane accelerates in level flight, what parameter must the pilot adjust to keep level and balance Lift = Weight?

Y_Kistochka [10]

Answer:

C. Angle of Attack.

Explanation:

The pilot must adjust the angle of attack parameter. The angle of attack of this plane to get to the desired lift coefficient.

And thus, we have

Lift = Weight

3 0

2 years ago

Consider the following list of numbers. 129, 685, 125, 511, 601, 52, 46 The height of a binary search tree is the maximum number

NemiM [27]

Answer:

The height of the tree is three (3) deep

Explanation:

It's 3 deep

Under 129, comes 125 and 685;

Under 125, comes 52 : Under 685, comes 511;

Under 52, comes 46 : Under 511, is 601.

This is illustrated below.

129

∧

125,685

|,|

52,511

|,|

46,601

5 0

3 years ago

A motorboat heads due east at 16 m/s across a river that flows due south at 9.0 m/s. a.) What is the resultant velocity of the b

alukav5142 [94]

Answer:

a)V=18.35 m/s (South -East)

b) t =7.41 m/s

c)D= 66.70 m

Explanation:

Given that

Velocity of boat in east direction = 16 m/s

Velocity of river = 9 m/s

a)The resultant velocity V

$V=\sqrt{16^2+9^2}\ m/s$

V=18.35 m/s (South -East)

We know that

Distance = Velocity x time

Lets t time takes to cross the river

136 = 18.35 x t

t =7.41 m/s

The distance covered downstream

We know that

Distance = Velocity x time

t= 7.41 s

D= 7.41 x 9 m

D= 66.70 m

3 0

2 years ago

How does wavelength change as frequency increases? A) Wavelength increases as frequency increases. B) Wavelength decreases as fr

ValentinkaMS [17]

Wavelength decreases as frequency increases

8 0

2 years ago

Read 2 more answers

Ashley swam 20 miles in .5 hours and 40 miles in an hour is it a proportional?

DIA [1.3K]

Yes it proportional.

4 0

3 years ago