Question

p_{cup} = +4.5 kg m/s p_{mug} = +2.4 kg m/s
what is the total momentum of the system?

Explanation:

Step1: Define total momentum

Total momentum is the sum of individual momenta.

Step2: Add the two momenta

$P_{total} = P_{cup} + P_{mug}$
$P_{total} = 4.5\ \text{kg m/s} + 2.4\ \text{kg m/s}$

Step3: Calculate the sum

$P_{total} = 6.9\ \text{kg m/s}$

Answer:

$6.9\ \text{kg m/s}$