The Potential Energy of a 10-Kg Mass Is Given by -3.98

question 58

Multiple Choice

The potential energy of a 10-kg mass is given by -3.98 * 10¹⁵ r^-1 (potential energy decreases as r approaches zero) .The force on this mass when it is located at r=6.38 * 10⁶ m is

• A)638 N towards r=0.
• B)638 N away from r=0.
• C)62.4 * 10⁸ N towards r=0.
• D)97.8 N away from r=0.
• E)97.8 N towards r=0.

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