MCQ
In U.C.M., when time interval δt → 0, the angle between change in velocity (δv) and linear velocity (v) will be ______.
- A180°
- B45°
- ✓90°
- D0°
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| X = x | –1 | 0 | 1 | 2 | 3 | 4 |
| P(X = x) | 0.25 | 2k | 0.1 | k | 0.15 | 2k |