.075 v = (.075+2.000)1.5
so
v = 3/.075 = 40 m/s approximately
A 0.075-kilogram dart strikes a 2-kilogram stationary block of wood. If the dart sticks in the wood and the dart and wood fly off together at 1.5 meters per second, what was the approximate original speed of the dart?
1 answer
1 answer