Calculating speed and mass using conservation of momentum You might need: Calculator
A5.0 kg TNT explosive, initially at rest, explodes into two pieces. One of the pieces weighing 2.0 kg flies off to
m
the left at 36
S
What is the final speed of the remaining piece?
Consider rightward as the positive direction.
Round answer to two significant digits.
m
S
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Regarding the history of the universe, which of the following is true? all the chemical elements were created during the big bang, but some have been modified since that time as a result of radioactive decay. the earth formed quickly after the big bang. all the current stars in our galaxy formed about the same time billions of years ago. key elements of which earth and life are made, including carbon, oxygen, and iron, did not exist when the universe was born and were created later in stars.