How do we calculate the "range" of the measurements?

Physics

1 answer:

Alika [10]2 years ago

8 0

Answer: I think its A

Explanation:

If not, what is the answer, beause I'm on the same quiz.

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A laser pulse takes 2.56 seconds to travel from Earth to the Moon and return. Use this to calculate how far away the Moon is. Ho

Deffense [45]

Answer:

$x = 3.84\times 10^{5}\,km$

This delay affect conversations in the sense that recipient will be receive the message just 2.56 seconds after the message was sent.

Explanation:

The laser pulse has an ondulatory nature as electromagnetic wave, which can travel in the void. Speed of light is constant and distance between Earth and the Moon is:

$x = 0.5\cdot c\cdot \Delta t$

$x = 0.5\cdot (3\times 10^{5}\,\frac{km}{s})\cdot (2.56\,s)$

$x = 3.84\times 10^{5}\,km$

This delay affect conversations in the sense that recipient will be receive the message just 2.56 seconds after the message was sent.

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3 years ago

CAN SOMEONE DO THIS TO ME ITS OK IF YOUR DRAWING IS NOT THAT COOL OR GOOD AND DONT GET A PHOTO FROM SOCIAL MEDIA

Svet_ta [14]

bc i cant draw good sorry but hope it helps!

and can i have brainliest? ight plz can i have brainliest?

ill give another picture of the volley ball thing

is that better?

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3 years ago

Two point charges are placed on the x axis as follows: charge q1=+3.75nc is located at x=0.205m and charge q2=−5.60 nc is at x=+

Mademuasel [1]

I might have did mistake with calculations but this is how you should do.

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3 years ago

A block is held at rest against a wall by a force of magnitude F exerted at an angle theta from the horizontal, as shown in the

wel

Answers:

B.) $F cos\theta=F_{n}$

C.) $F sin\theta=F_{g} \pm F_{f}$

Explanation:

The image attached shows the way the force $F$ is acting on the block. Now, if we draw a free body diagram of the situation and write the equations for the Net Force in X and Y, we will have the following: