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nata0808 [166]
3 years ago
15

Hans Christian Oersted found that when a current-carrying wire was placed close to a compass needle, the compass needle always c

ame to rest at a _____ angle from the wire.
obtuse
acute
right
180 º
Physics
1 answer:
Harrizon [31]3 years ago
8 0
It’s acute I know it for sure my dude
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P_{ig}+P_{is}+K_i=P_{fg}+P_{fs}+K_f\\\Rightarrow mgx+0+0=mgx+\frac{1}{2}kx^2\\\Rightarrow x=\frac{2mg}{k}\\\Rightarrow x=\frac{2\times 2.4\times 9.81}{53}\\\Rightarrow x=0.89\ m

At its lowest position the mark on the ruler will be

x_f=0.18+0.89\\\Rightarrow x_f=1.07\ m

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