harjotjandu12
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PLEASE HELP! Urgent I'll give brainliest if answer is right tysm.
The force,Β FΒ (Newtons), between two objects is inversely proportional to the square of the distance,Β dΒ (metres), between them.
The force is 0.35 Newtons when the distance between the objects is 8 metres.
Work outΒ FΒ (rounded to 2 DP) whenΒ d=7Β metres.

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Sagot :

Sorry for the wrong answer

Answer:

0.46 Newtons

Step-by-step explanation:

The force, F (Newtons), between two objects is inversely proportional to the square of the distance, d (metres), between them.

f = k/dΒ²

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to determine k use The force is 0.35 Newtons when the distance between the objects is 8 metres.

0.35 = k/8Β²

0.35 = k/64

multiply both sides by 64

22.4 = k

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Work out F (rounded to 2 DP) when d=7 metres.

f = 22.4/7Β²

f = 22.4/49

f = 0.46

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