Two asteroids strike head-on: before the collision, asteroid A(mA= 8.0×1012 kg) has velocity 3.3km/s and asteroid B (mB= 1.34×1013kg) has velocity 1.4 km/sin the opposite direction. Part A If the asteroids stick together, what is the magnitude of the velocity of the new asteroid after the collision? Express your answer to two significant figures and include the appropriate units.

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