Thank you - I will be sure to write out fully sentences clarifying the meaning of my answers instead of assuming the negative magnitude makes sense outside of my own head.
Cheers
We are conveniently ignoring ballistics for the purpose of the assignment - but the momentum of the ball is positive if you set up your reference frame to reflect that the ball moves in a positive direction along the x-axis. Thus, the velocity is in the positive direction, the momentum is in...
Homework Statement
I was assigned a worksheet for a biomechanics class that had a simple impulse-momentum problem. My instructor and I disagree about the means to solve the problem.
"A pitched ball with a mass of 150g (.15kg) reaches a catcher's glove traveling at a velocity of 28m/s...