Answer :
You've presented two statements in your "question".
One is true and the other is false.
1). Momentum = mass x velocity
The statement is true.
2). 1507.8 x 8 = 12,506
The statement is false.
1507.8 x 8 = 12,062.4
One is true and the other is false.
1). Momentum = mass x velocity
The statement is true.
2). 1507.8 x 8 = 12,506
The statement is false.
1507.8 x 8 = 12,062.4