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3 years ago

I WILL GIVE BRAINLIEST TO WHOEVER GETS THIS QUESTION CORRECT!!!

Physics

1 answer:

luda_lava [24]3 years ago

4 0

Answer: c) The line shows a change in speed if its angle changes.

I'm not sure

Explanation:

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The water from the surface of the Earth must be evaporated by the sun.

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A jet airliner moving initially at 612 mph (with respect to the ground) to the east moves into a region where the wind is blowin

Ganezh [65]

Answer:

966.22 mph

Explanation:

Velocity of plane with respect to wind (Vp,w)= 612 mph east

velocity of wind with respect to ground, (Vw,g) = 362 mph at 15° North of

east

Write the velocities in vector form

$V_{p,w}=612\widehat{i}$

$V_{w,g}=362\left ( Cos15\widehat{i}+Sin15\widehat{j} \right )= 349.67\widehat{i}+93.69\widehat{j}$

Use the formula for the relative velocity

$V_{p,w}=V_{p,g}-V_{w,g}$

Where, V(p,w) is the velocity of plane with respect to wind

V(p,g) is the velocity of plane with respect to ground

V(w,g) is the velocity of wind with respect to ground

So, $V_{p,g}=V_{p,w}+V_{w,g}$

$V_{p,g}=\left ( 612+349.67 \right )\widehat{i}+93.69\widehat{j}$

$V_{p,g}=961.67\widehat{i}+93.69\widehat{j}$

Magnitude of velocity of lane with respect to ground

$V_{p,g} = \sqrt{961.67^{2}+93.69^{2}}$

V(p,g) = 966.22 mph

5 0

4 years ago

What type of force cause an object to accelerate??

Olin [163]

ANY force causes an object to accelerate, just as long as there are not
some other forces on the object that cancel out the first one.

Are you looking for the answer ... an "UNBALANCED" force ?
That's a very poor way to describe it, because there's no such thing
as a balanced or unbalanced force. The thing that's balanced or
unbalanced is a GROUP of forces, not a single force.

8 0

3 years ago