A projectile of mass m 1 moving with a speed v1 in the +x direction strikes a stationary target of mass m2 \u003d 2m1 head-on in an elastic collision. Find the final velocity of the projectile m 1. Hint: ...

The root-mean-square speed of gas molecules is 256.0 m/s at a given T. The gas has a molar mass of 32.00 g/mol. What would be the root-mean-square speed for a gas with a molar mass of 131.0 g/mol?a. ...

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