Una espira triangular transporta una corriente . La espira está inmersa en una región donde existe un campo magnético uniforme de magnitud 0 y cuya dirección es paralela al lado como se indica en la figura

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?