MCQOPTIONS
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MCQOPTIONS
| 1. |
A block of mass m initially at rest is dropped from a height h on to a spring of force constant k. the maximum compression in the spring is x then [BCECE 2005] |
| A. | \[mgh=\frac{1}{2}k{{x}^{2}}\] |
| B. | \[mg(h+x)=\frac{1}{2}k{{x}^{2}}\] |
| C. | \[mgh=\frac{1}{2}k{{(x+h)}^{2}}\] |
| D. | \[mg(h+x)=\frac{1}{2}k{{(x+h)}^{2}}\] |
| Answer» C. \[mgh=\frac{1}{2}k{{(x+h)}^{2}}\] | |