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ANEK [815]
3 years ago
5

PLEASE HELP!!!

Physics
1 answer:
WARRIOR [948]3 years ago
8 0
5 is the answer I’m pretty sure
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Answer:force equals to rate of change of momentum

Explanation:

F=force

t=time

m=mass

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u=initial velocity

(mv-mu)/t=rate of change of momentum

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F=(mv-mu)/t

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Explanation:

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Three charged particles are positioned in the xy plane: a 50-nC charge at y = 6 m on the y axis, a –80-nC charge at x = –4 m on
leva [86]

Answer:48 V

Explanation:

Given

Three charged particle with charge

q_1=50\ nC at y=6\ m

q_2=-80\ nC at x=-4\ m

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V=\frac{kQ}{r}

Distance of q_1 from x=8\ m

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d_1=\sqrt{36+64}

d_1=10\ m

similarly d_2=8-(-4)

d_2=12\ m

d_3=\sqrt{(-6)^2+8^2}

d_3=\sqrt{36+64}

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Potential at x=8\ m is

V_{net}=\frac{kq_1}{d_1}+\frac{kq_2}{d_2}+\frac{kq_3}{d_3}

V_{net}=k[\frac{q_1}{d_1}+\frac{q_2}{d_2}+\frac{q_3}{d_3}]

V_{net}=9\times 10^9[\frac{50}{10}-\frac{80}{12}+\frac{70}{10}]\times 10^{-9}

V_{net}=9\times 5.33

V_{net}=47.97\approx 48\ V

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4 years ago
Use the figure to help you find the weight (Fg) of the body if the tension in both wires is 3.7 newtons.
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I'm not completely sure, but I think it's 3.4 newtons. I hope you get it correct.
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