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paulie
Questions (4)
A green 4 kg toy car with a speed of 5 m/s collides head-on with a stationary yellow 1-kg car. After the collision, the cars are
0 answers
710 views
The diameter of a neutral helium atom is about 128 pm. Suppose we could lin up helium atoms side by side in contact with one
1 answer
488 views
How many cars are there in a long freight train if it take the entire train 2 minutes to pass a station as it travels at 40
2 answers
2,828 views
in order to legally arrest someone an officer must satisfy what level of evidence
1 answer
515 views
