A net external force of 4 N acts on an object initially at rest for 0.25 s and gives it a final speed of 5 m/s. How could a net external force of 2 N produce the same final speed?
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A: F→ = -3.80i^ + 5.20j^ + 3.10k^ N d→ = 1.80i^ + 2.10j^ + 6.90k^ m m = 2.90 kg vi = 3.60 m/s vf = ?
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A net external force of 4 N acts on an object initially at rest for
0.25 s and gives it a final speed of 5 m/s. How could a net external force
of 2 N produce the same final speed?
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