one train is traveling 120 meters with a velocity of 52 km/hr and a second train is traveling in the opposite direction with a velocity of 20km/hr. How long will it take for them to completely pass one another?

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