Streak shows the true color of the mineral. Non-metallic particles tend to reflect most of the light so they appear lighter in color or almost white. Because streak is a more accurate illustration of the mineral's color, streak is a more reliable property of minerals than color for identification.
A car has a mass of 900 kg and a truck has a mass of 1800 kg. In which of the following situations would they have the same momentum?A car has a mass of 900 kg and a truck has a mass of 1800 kg. In which of the following situations would they have the same momentum?