science
posted by tyreek thames on .
A subcompact car, mass 1,000 kg, runs into and sticks to an atrest, 2,200 kg SUV. If their final speed is 4.7 m/s, what was the smaller car's initial speed?

15 m/s
posted by tyreek thames on .
A subcompact car, mass 1,000 kg, runs into and sticks to an atrest, 2,200 kg SUV. If their final speed is 4.7 m/s, what was the smaller car's initial speed?
15 m/s