Recent content by Alucard2487

Any recommendations? We use "Matter and Interactions" in class and I find the book to be a bit dull.

I figured it out. What I did was this: .5kg(14)+(-8)(.15). I ended up with 5.8kg*m/s which was the correct answer.

I was also wondering if there is a good youtube channel that I could watch. My professor doesn't have a good grasp on the English language, so it's hard to understand her.

Homework Statement At a certain instant a particle (mass=0.5 kg) is moving in the +x direction with velocity 14 m/s. During the next 0.15 seconds a constant force acts on the particle, with Fx= −8 N and Fy= Fz = 0 N. What is the magnitude of the momentum of the particle (in kg*m/s) at the end...

Homework Statement At a time 0.22 seconds after it has been hit by a tennis racket, a tennis ball is located at (6, 8, 0)  m, relative to an origin in one corner of a tennis court. At a time 0.26 seconds after being hit, the ball is located at (6.52, 8.16, 5.88)  m. Calculate the following...