- 04/18/2019 at 9:08 pm #527001EduGorillaKeymasterSelect Question Language :
A balloon can go up in the air at the rate of 24 kmph. If it is weighed down by stones, its speed diminishes by a quantity which varies as the square root of the number of stones attached. With four stones carried its speed is 20 kmph. What is the maximum number of stones with which the balloon can go up in the air?
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