TEMPO.CO, Jakarta - President Joko Widodo or Jokowi asked his cabinet ministers to accelerate the development of the coal derivative industry in order to increase the added value of coal commodities, ...

Here the y-component of the position for P is known not as an explicit function of time, but rather as a function of the x-component of its position. For velocity and acceleration, you need ...

Ask someone to list the greatest inventions and discoveries of all time, and they are likely to come up with such things as fire, the wheel, electricity, and perhaps penicillin. In my mind, however, ...