3 years ago

PLZZ ANSWER THE QUESTION

Physics

1 answer:

dusya [7]3 years ago

3 0

Speed x time

:| mhmm

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A man is flying in a hot-air balloon in a straight line at a constant rate of 5 feet per second, while keeping it at a constant

icang [17]

Answer:

$x = 220.85 ft$

Explanation:

Let at any moment of time the friend's car is at some horizontal distance "x" from the position of balloon.

Now if the altitude of the balloon is fixed and it is at height "h"

so here we will have

$tan \theta = \frac{h}{x}$

now we know that

initially the angle of the friend's car is 35 degree

so the horizontal distance will be

$x_1 = h cot35$

similarly if the angle after passing the car position is 36 degree

then we have

$x_2 = h cot36$

now the speed of the balloon is constant

so we have

$v = \frac{x_1 + x_2}{\Delta t}$

$5 ft/s = \frac{h cot35 + h cot36}{90 s}$

$5 ft/s = \frac{2.8h}{90}$

$h = 160.45 ft$

so the final position of friend when the angle is 36 degree

$x = \frac{h}{tan36}$

$x = \frac{160.45}{tan36}$

$x = 220.85 ft$

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Floating piece of wood - buoyancy question.?

sashaice [31]

No. because the weight is the same. no m9re water displacement

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What is the power of 10 when 157,821 is written in scientific notation?

vlabodo [156]

Answer:

The power of 10 in the given value is 5.

Explanation:

scientific notation is expressed in the decimal form. That means always written in the power of 10 form. The decimal place is put after 1 digit.

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4 years ago

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Which is heavier a kilogram of iron or a kilogram of feathers?

inessss [21]

Answer:

they both weight the same

Explanation:

they both weigh one kilo so they are the same

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A large crate is at rest on a ramp at a loading dock

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Answer:

yuhhh

Explanation:

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PLZZ ANSWER THE QUESTION