MCQOPTIONS
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| 1. |
The reading of a spring balance is from 0 to 200 N and is 10 cm long. A body suspended from the spring balance is observed to oscillate vertically at 2 Hz. The mass of the body is nearly |
| A. | 22.5 kg |
| B. | 12.5 kg |
| C. | 37 kg |
| D. | 45 kg |
| Answer» C. 37 kg | |