3 years ago

What type of smog is created when

Physics

1 answer:

Airida [17]3 years ago

5 0

Answer:

d seems like the best answer to but I don't know.

Explanation:

good luck and sorry if its incorrect

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There is no air in space astronauts in space cannot hear sounds from outside their spacesuits explain this

Semmy [17]

In space, where there is no air, sound has no way to travel.

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3 years ago

6. One minute after takeoff, a rocket carrying the space shuttle into outer space reaches a speed of 447 m/s.

Sidana [21]

Answer:

acceleration of the rocket is given as

$a = 7.45 m/s^2$

Explanation:

As we know that rocket starts from rest and then reach to final speed of 447 m/s after t = 1 min

so we have

$v_i = 0$

$v_f = 447 m/s$

$t = 1 min = 60 s$

so we have

$a = \frac{v_f - v_i}{t}$

$a = \frac{447 - 0}{60}$

$a = 7.45 m/s^2$

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3 years ago

The horizontal component of a force p which makes a angle of 50 with the vertical is 50. find the force of p

stealth61 [152]

Answer:

65.3

Explanation:

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3 years ago

In order to do work, the force vector must be

gregori [183]

As we know that total work done by a force is given by

$W = F.d$

$W = Fdcos\theta$

so it is product of force and displacement along same direction

as we can write it as

$W = (Fcos\theta)(d)$

so it must be the product of force and displacement in same directions so correct answer must be

B. in the same direction as the displacement vector and the motion.

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3 years ago

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Why were phonograph records placed on the sides of the two voyager spacecraft launched in the 1970s?

LenaWriter [7]

Answer:

The reason for phonograph installation is to provide information about humans to interstellar aliens.

Explanation:

Phonographs are archaic forms of gramophone which are able to record and reproduce sound.Phonographs were used in early days in voyagers to help transmit information about humans to nearby alien species in space.

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