You should have noticed that the Styrofoam ball rolled slightly towards the rod and then appeared to be lifted above the pan. Which type of force explains why the rod was able to lift the Styrofoam ball?

t2 equal the displacement of the particle over the same time period if t2> t/2? hint: consider a sine wave starting at t1=0, then consider a closing wave starting at t1=0, for your explanatio

photocells convert light energy to electricity

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

im guessing the west of station b