3 years ago

Which, at the same temperature, will cool slower on a hot day

Physics

1 answer:

kykrilka [37]3 years ago

6 0

The answer would be b.

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we get here resultant force that is express as

F(r) = $\sqrt{F_1^2+F_2^2+2F_1F_2cos\ \theta}$ ..............1

put here value and we get

F(r) = $\sqrt{6^2+8^2+2\times 6\times 8 \times cos240}$

F(r) = 11.45 N

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