 
			 
			MCQOPTIONS
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				| 1. | A tennis ball dropped from a height of 2 m rebounds only 1.5 m after hitting the ground. What fraction of its energy is lost in the impact | 
| A. | \[\frac{1}{4}\] | 
| B. | \[\frac{1}{2}\] | 
| C. | \[HSO_{4}^{-}\] | 
| D. | \[\frac{1}{8}\] | 
| Answer» B. \[\frac{1}{2}\] | |