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can anyone solved it
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1. velocity would be equal to zero because the graph of the particles is parallel to time axis that means it has covered 0distance in a certain time and since velocity= displacement/time
velocity= 0/time
velocity = 0
2. 7km/hr
3. the body is at uniform acceleration
one starts from rest while the other had already started froma certain speed
4. 0-50/40
-50/40
- 1.25 m/s^2
Explanation:
hope this helps u
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