Asked by komal
                a rock is dropped from a high brige.at the end of 3 seconds of free fall the speed of the rock is:[in centimeters per second,g=10 m/second square]
            
            
        Answers
                    Answered by
            Damon
            
    v = 10 t = 30 m/s = 3000 cm/s
    
                    Answered by
            Himanshu Bisht
            
    V=u+gt
u=0
V=0+9.8×3 (g=9.8)
=29.4m/s
.
1m/s = 100m/s
29.4×100
=2940 cm/s
    
u=0
V=0+9.8×3 (g=9.8)
=29.4m/s
.
1m/s = 100m/s
29.4×100
=2940 cm/s
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