EL VECTOR DIFERENCIA, VA UNIDO A LA CABEZA DEL SEGUNDO VECTOR, SALIENDO DEL ORIGEN DEL PLANO CARTECIANO ( V O F )

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Whithin which type of system is neither the total mass nor the total energy conserved ? a. open b. connected c. isolated d. closed

Which from the following is not a renewable energy?