A 62-kg boy on a 1.5-kg skateboard is moving at 1.2 m/s. The boy steps off the skateboard (Hint: this part is the collision- one thing separating into 2 things is an explosion collision) and now has a velocity of 1.1 m/s. How fast does the skateboard move after he steps off of it?

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

answercollision;