Change in velocity = Final velocity - Initial velocity
Initial velocity = 20 m/s
Final velocity = 10 m/s
Change in velocity = 10 - 20 = -10m/s
Correct option B
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<span>A atomic nucleus would give off a particle to become stable.
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It has moved
(1.445) • (the acceleration) meters
Answer:
4 x 10^12 kg Uranium
Explanation:
As we know that 1 gallon = 3.785 L
Amount of Uranium in 1 L sea water = 3 x 10^-6 g
3.535 x 10^20 gallons = 3.535 x 10^20 x 3.785 L = 13.38 x 10^20 L
1 L of sea water contains = 3 x 10^-6 g Uranium
13.38 x 10^20 L of sea water contains = 13.38 x 10^20 x 3 x 10^-6 g Uranium
= 4 x 10^15 g = 4 x 10^12 kg Uranium