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| 1. |
A balloon is connected to a meteorological station by a cable of length 130 m, inclined at 60° to the horizontal. Find the height of the balloon from the ground. Assume that there is no slack in the cable.A. 110.32 mB. 173 mC. 163.28 mD. 112.58 m |
| A. | C |
| B. | A |
| C. | B |
| D. | D |
| Answer» E. | |