A boy on a skate board skates off a horizontal bench at a velocity of 10 m/s. One tenth of a second after he leaves the bench, to two significant figures, the magnitudes of his velocity and acceleration are:

A boy on a skate board skates off a horizontal bench at a velocity of 10 m/s. One tenth of a second after he leaves the bench, to two significant figures, the magnitudes of his velocity and acceleration are:




1) 10 m/s; 9.8 m/s2.

2) 9.0 m/s; 9.8 m/s2.

3) 9.0 m/s; 9.0 m/s2.

4) 1.0 m/s; 9.0 m/s2.

5) 1.0 m/s; 9.8 m/s2.







Answer: 1


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