The initial speed of an object is Vi=12,7m/s. Find its speed 4 s later if it a) accelerates uniformly at 3 m/s2 and b) accelerates uniformly at 3m /s2 .

The initial speed of an object is Vi=12,7m/s. Find its speed 4 s later

1.	The initial speed of an object is Vi=12,7m/s. Find its speed 4 s later if it a) accelerates uniformly at 3 m/s2 and b) accelerates uniformly at 3m /s2 .
Answer» AL SPEED)=12.7 m/st=4sa) a=3m/S2v=u+at=12.7+(3)(4)= 12.7+12v=24.7m/s

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The initial speed of an object is Vi=12,7m/s. Find its speed 4 s later if it a) accelerates uniformly at 3 m/s2 and b) accelerates uniformly at 3m /s2 .​

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The initial speed of an object is Vi=12,7m/s. Find its speed 4 s later if it a) accelerates uniformly at 3 m/s2 and b) accelerates uniformly at 3m /s2 .