MCQOPTIONS
Saved Bookmarks
| 1. |
Sand falls on a conveyor belt at the rate of 1.5 kg/s. If the belt is moving with a constant speed of 7m/s, the power needed to keep the conveyor belt running is ________. (Specify your answer to two digits after the decimal point.) |
| A. | 72 |
| B. | 73.5 |
| C. | 75 |
| D. | 89 |
| Answer» C. 75 | |