A lake has a surface area of 100 km2. One river is bringing water into the...

 

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A lake has a surface area of 100 km2. One river is bringing water into the lake at a rate of 10,000 m3/s, while another is taking water out at 8000 m3/s. Neglecting evaporation of the water, how fast is the level of the lake rising or falling? 8000 m/s 100 km2 10,000 m/s A lake has a surface area of 100 km2. One river is bringing water into the lake at a rate of 10,000 m3/s, while another is taking water out at 8000 m3/s. Neglecting evaporation of the water, how fast is the level of the lake rising or falling? 8000 m/s 100 km2 10,000 m/s