How many grams will remain after 42.0days
Phosphorus-32 has a half-life of 14.0 days. Starting with 4.00g of 32P, how many grams will remain after 42.0days ?
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A horse canters away from its trainer in a straight line, moving 118 away in 15.1s . It then turns abruptly and gallops halfway back in 5.0s. Calculate its average speed for the entire trip.
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