Cars are designed to decelerate passengers over a certain distance. This allows part of the impact to be absorbed in case of a collision. A crash test dummy is in a car traveling at an initial velocity of 17 m/s. The car slams into a brick wall, bringing it to rest at a constant rate of deceleration. If the time between the moment the crash test dummy comes to rest is 0.5 seconds, how far has the crash test dummy traveled in this time?

Stars are born within the clouds of dust and scattered throughout most galaxies. a familiar example of such as a dust cloud is the orion nebula. turbulence deep within these clouds gives rise to knots with sufficient mass that the gas and dust can begin to collapse under its own gravitational attraction. as the cloud collapses, the material at the center begins to heat up. known as a protostar, it is this hot core at the heart of the collapsing cloud that will one day become a star. three-dimensional computer models of star formation predict that the spinning clouds of collapsing gas and dust may break up into two or three blobs; this would explain why the majority the stars in the milky way are paired or in groups of multiple stars.therefor, i would say the answer is: dust and gases contract.i hope this ! < 3

The answer is a hat a nice day sir or ma'am