what is the magnitude of the tangential acceleration of the roller?
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Josh is painting yellow stripes on a road using a paint roller. To roll the paint roller along the road, Josh applies a force of 15 N at an angle of 45° with respect to the road. The mass of the roller is 2.5 kg; and its radius is 4.0 cm. Ignoring the mass of the handle of the roller, what is the magnitude of the tangential acceleration of the roller?
| A. |
4.2 m/s2 |
|
| B. |
6.0 m/s2 |
|
| C. |
15 m/s2 |
|
| D. |
110 m/s2 |
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