1. If a snail crawls 12cm in 60s , calculate the average speed in mm-¹
(a) 5mm-¹ (b) 2mm-¹ (c) 7mm-¹ (d) 15mm-¹
2. In a particular system, the units of length, mass and time are choose to be 10cm, 10g, and 0.1secs respectively. the unit of force in this system will be equivalent to ......
(a) 0.1N (b) 1N (c) 10N (d) 100N
3. The dimensional formula for universal gravitational constant is .....
(a) M-¹L-³T-² (b) M-² (c) M¹L³T-² (d) ML³T-¹?
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Asked by AYOMIDE on 31st March, 2023
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