What additional mass can air mattress support in water
A rectangular air mattress is 2.0 m long, 0.50 m wide, and 0.08 m thick. If it has a mass of 2.0 kg, what additional mass can it support in water?
?m= 78 N
Expected delivery within 24 Hours
A drug tagged with 9943Tc (half-life = 6.05 h) is prepared for a patient. If the original activity of the sample was 2.0 104 Bq, what is its activity (R) after it has been on the shelf for 2.0 h?
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