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Two blocks are sliding on a horizontal frictionless surface with velocities shown in the sketch. Block A has mass 0.500 kg and block B has mass 0.450 kg. The two blocks have a perfectly inelastic collision and stick together after the collision.

1814_Two blocks are sliding on a horizontal frictionless surface.gif

Block A with a velocity of 0.200 m/s is moving along the x-axis and block B with a velocity of 0.400 m/s is moving along the y-axis.

(a) What is the speed of the combined blocks after the collision?

(b) What angle does the velocity of the combined blocks make with the +x-axis after the collision?

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