Hi yah

Kristine has a $10 bill to spend at a book fair. She buys one book for $4.95, two bookmarks for $0.65 each, and a key chain for $1.85. How much change should Kristine receive from her $10 bill? A $2.55 B $2.10 C $3.45 D $1.90

momentum = mass * velocity ... kg•m/s acceleration = v / t = 200 m/s / 11 ms ... m/s^2 force = mass * acceleration = .02 kg * (200 m/s / 11 ms) ... N