A grocery shopper tosses a (n) 8.5 kg bag of rice into a stationary 17.7 kg grocery cart. The bag hits the cart with a horizontal speed of 6.9 m/s toward the front of the cart. What is the final speed of the cart and bag? Answer in units of m/s.

2.2386 m/s

Explanation:

I think you would use the momentum equation.

m1v1=m2v2

m1 = mass of the bag (8.5kg)

v1 = speed of bag (6.9 m/s)

m2 = mass of bag and cart (26.2 kg)

v2 = speed of cart and bag

Plug these numbers all into the equation and you solve for v2 which ends up at 2.2386 m/s