Another submarine’s descent can be represented as y=-240x where y is the elevation and x is time in hours how long will it take this submarine to make the descent

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a. 12.5 kg

step-by-step explanation:

f = ma

so

m = f/a = (2500 n)/(200 m/s²) = 12.5 kg

1 n = 1 kg·m/s²

well we know there are 4 clubs in 52 cards so it’s replaced so it should be 3/51

step-by-step explanation: