why won’t the car move!!!

Hello class, welcome to another day of LEGO challenge.  Today, we introduce how to use those renewable energy in real life.  We connect a solar panel to a motor which we put on a car.  Then we shine the light on the panel to transform solar energy into kinetic energy.  As a result, the car should move, but sadly it does not happen in our class.  Lucas’s car were moving but after a few tests, it completely stops, no movement at all.  We try to see which side cause the problem, is it the panel break or the motor is down.  It turned out neither.  It was probably the light.  After the heartbreaking news, we go back to do some calculations which these formulas: s=d/t, d=st, t=d/s.   

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