Two rollerbladers face each other and stand at rest on a flat parking lot. Tracey has a mass of 32 kg, and Jonas has a mass of 45 kg. When they push off against one another, Jonas acquires a speed of

Two rollerbladers face each other and stand at rest on a flat parking lot. Tracey has a mass of 32 kg, and Jonas has a mass of 45 kg. When they push off against one another, Jonas acquires a speed of 0.80 m/s .

What is Tracey's speed?

Express your answer to two significant figures and include the appropriate units.