<span>(M G H)=(0.5 x 9.8 x 10) = 49 joules.</span>
The weight of the car in the picture of the computer screen is 9,800 Newton's.
Silicon is used in the manufacturing of microchips and is also used in motherboards. We use it in our daily lives. It is a high tech element.
Indeed because some leave headlights off and ignore that fact since there are street lights around.
