In order to completely reverse the heating effects of an electric current, the best way to do it is by reversing the flow of it - which is possible by terminating the current itself. This is the best possible method in removing its heat.
Answer:
6 seconds
Explanation:
Since the object is being dropped out of the window, it has no initial velocity.
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1 pound (lb) = 453.592 g
Therefore, 5.4 pounds will be equivalent to 5.4 × 453.592 = 2449.397 g
1 cubic inch = 16.387 cubic cm
Therefore, 13.6 cubic inches will be equivalent to 13.6 × 16.387 = 222.863 cm³
Density is given by mass divided by volume
Thus density = 2449.397 g / 222.863 cm³
= 10.991 g/cm³