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The Surface of the Moon

Question 19Tw...

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Question 19
Two astronauts are floating close to each other in space. Can they talk to each other without using any special device? Give reasons.

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Solution

No, they cannot talk to each other without using any special device because there is no medium in the space and sound needs medium to travel.

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Question 19
Two astronauts are floating close to each other in space. Can they talk to each other without using any special device? Give reasons.

Q. Two astronauts are floating close to each other in space. Can they talk to each other without using any special device? Give reason.

How can astronaut talk in space without any special device.

Q. Two astronauts, each of mass

75 k g

, are floating next to each other in space, outside the space shuttle. They push each other through a distance of an arm's length

= 1 m

each with a force of

300 N

.If the final relative velocity of the two, w.r.t each other is

V_{0} m / s

, find the value of

\frac{(V_{0})^{2}}{4} (

Note that both astronauts are displaced by

1 m

)

Q. Why do the astronauts talk to each other through radio-telephone in space?

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The Surface of the Moon

Standard VIII Physics

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