3 years ago

Which statement correctly describes these electric field lines?

Physics

1 answer:

Otrada [13]3 years ago

4 0

I don’t know, which statement ahh I see white screen lol

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How many significant figures are in 50.5?

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3 years ago

A car is accelerating at 30 m/s2, if the car is 400 kg how much force

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3 years ago

A student throws a water balloon with speed v0 from a height h = 1.82 m at an angle θ = 29° above the horizontal toward a target

3241004551 [841]

Answer:

$v_o = 7.76 m/s$

Explanation:

As we projected the balloon at speed vo at an angle of 29 degree

so the two component of velocity is given as

$v_x = v_ocos29 = 0.875 v_o$

$v_y = v_o sin29 = 0.485 v_o$

now we know that in x direction we have

$d = v_x t$

$7.5 = 0.875 v_o t$

$v_o t = 8.57$

in y direction we have

$- 1.82 = (0.485 v_o) t - \frac{1}{2}gt^2$

$-1.82 = 0.485(8.57) - 4.9 t^2$

$t = 1.1 s$

now we have

$v_o = 7.76 m/s$

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3 years ago

Which sample of water has the most thermal energy?

Ivanshal [37]

Answer:

THE ANSWER IS #A

Explanation:

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3 years ago

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