3 years ago

Which statement BEST explains the model?

Physics

1 answer:

I am Lyosha [343]3 years ago

8 0

Answer:

Explanation:

Ur welcome just took on test

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Which is a device that stores electric charge by separating positive and negative charges?

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A camera flash or lighting bolt because stored separated positive and negative charges --> caused them to do work by briefly lighting a bulb as the separated charges moved back together

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The force vector A has components Ax = 5 N, Ay = -3 N. The force vector B has

jeka94

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Explanation:

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At what height h above the ground does the projectile have a speed of 0.5v?

dedylja [7]

Answer:height above ground at which projectile have velocity

0.5v is (0.0375v^2)

Explanation:

Using Vf = Vi - gt

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Vi is initial velocity

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t is the time taken

So, 0.5v = v - gt

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Read 2 more answers

A surveyor measures the distance across a river that flows straight north by the following method. Starting directly across from

bearhunter [10]

Answer:

The width of the river is $z = 60.62 \ m$

Explanation:

From the question we are told that

The distance of the base line is D = 130 m

The angle is $\theta = 25^o$

A diagram illustration the question is shown on the first uploaded image

Applying Trigonometric Rules for Right-angled Triangle,

$tan 25 = \frac{z}{130}$

Now making z the subject

$z = 130 * tan (25)$

$z = 60.62 \ m$

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3 years ago