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Author Question: Solve.The power supply of a satellite is a radioisotope. The power output P, in watts (W), decreases ... (Read 158 times)

yoroshambo

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Question 1

Solve.

The initial weight of a starving animal is W0.  Its weight after t days is given by 

 

What percentage of its initial weight remains after 22 days?
◦ 10.4%
◦ 93.2%
◦ 89.6%
◦ 84.2%

Question 2

Solve.

The power supply of a satellite is a radioisotope. The power output P, in watts (W), decreases at a rate proportional to the amount present. P is given by P = 50e-0.006t, where t is the time in days.
How much power will be available after 333 days? What is the half-life of the power supply? How much power did the satellite have to begin with?
◦ 3390 W; 117 days; 50 W
◦ 6.78 W; 116 days; 50 W
◦ 6.78 W; 116 days; 5 W
◦ 6.78 W; 117 days; 500 W


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Marked as best answer by yoroshambo on Jun 16, 2021

aidanmbrowne

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yoroshambo

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Reply 2 on: Jun 16, 2021
Wow, this really help


tanna.moeller

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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