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1. Nerve impulses in the human body travel at a speed of about 119.7 m/s. A 1.9 m tall man accidentally drops a hammer on his toe. How long does it take for the nerve impulse to travel from his toe to his brain? (use 3 sig fig)
2.A car moves in a straight line at a speed of 49.4 km/h.
How far (in km) will the car move in 6.09 minutes at this speed?
3.A car moves in a straight line at a speed of 49.4 km/h.
How long (in seconds) will it take the car to move 1.05 km at this speed?
Sagot :
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