Una partícula con carga Q está en el centro de un cubo de arista L. Además, otras seis partículas cargadas idénticas
q están colocadas simétricamente alrededor de Q como se
muestra en la figura P23.19. Para cada una de estas partículas q es un número negativo. Determine el flujo eléctrico a
través de una de las caras del cubo.

a) are muscles that have bands.

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when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min