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If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 195-pound man?
Answers: 2
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Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg • what must the total momentum of the system be after the train cars collide? kg •
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Physics, 23.06.2019 00:20, tacowilliam20
The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g
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Physics, 23.06.2019 02:00, jones03riley
Which of the following are molecules? a. al b. ag c. mgcl2 d. nacl e. c3h8
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Physics, 23.06.2019 04:31, redrhino27501
The radioactive isotope of lead, pb-209, decays at a rate proportional to the amount present at time t and has a half-life of 3.3 hours. if 1 gram of this isotope is present initially, how long will it take for 80% of the lead to decay? (round your answer to two decimal places.)
Answers: 2
If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 195-pou...
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