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Asteroid A1, mA1 = 3.60 × 106 kg, and asteroid A2, mA2 = 1.20 × 106 kg, collide head-on in space. Approximate (rather poorly) the collision as being elastic. Observers watch the event from two space platforms. An observer on platform Q measures the speed of A1 to be 519 m/s and the speed of A2 to be 335 m/s , and sees A2 heading directly toward A1. The second platform, platform Z, is at rest in the zero-momentum reference frame of the asteroids. Let asteroid A1 be initially moving the +x direction.

Part A: What is the x-component of the combined momentum of the asteroids measured from platform Q?

px =

Part B: What is the x-component of the velocity of platform Z relative to platform Q?

vQ,x=

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