Two figure skaters are standing motionless on the rink when they push off each other. The first skater has a mass of 80 kg and a final velocity 3 m/s. If the second skater has a final velocity of -5.3 m/s, what is her mass?

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90