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A 4.00 kg ball is moving at 2.00 m/s to the SOUTH and a 6.00 kg ball is moving a

ID: 2138576 • Letter: A

Question

A 4.00 kg ball is moving at 2.00 m/s to the SOUTH and a 6.00 kg ball is moving at 2.00 m/s to the NORTHWEST. The total momentum of the system is 8.5 kg m/s at an angle of 17.2 degrees NORTH of WEST. 8.5 kg m/s at an angle of 3.27 degrees NORTH of WEST. 15.8 kg m/s at an angle of 3.27 degrees NORTH of WEST. 20.1 kg m/s at an angle of 27.5 degrees NORTH of WEST. 15.8 kg m/s at an angle of 17.2 degrees NORTH of WEST
. A 4.00 kg ball is moving at 2.00 m/s to the SOUTH and a 6.00 kg ball is moving at 2.00 m/s to the NORTHWEST. The total momentum of the system is 8.5 kg m/s at an angle of 17.2 degrees NORTH of WEST. A 4.00 kg ball is moving at 2.00 m/s to the SOUTH and a 6.00 kg ball is moving at 2.00 m/s to the NORTHWEST. The total momentum of the system is 8.5 kg m/s at an angle of 17.2 degrees NORTH of WEST. A 4.00 kg ball is moving at 2.00 m/s to the SOUTH and a 6.00 kg ball is moving at 2.00 m/s to the NORTHWEST. The total momentum of the system is 8.5 kg m/s at an angle of 17.2 degrees NORTH of WEST. A 4.00 kg ball is moving at 2.00 m/s to the SOUTH and a 6.00 kg ball is moving at 2.00 m/s to the NORTHWEST. The total momentum of the system is 8.5 kg m/s at an angle of 17.2 degrees NORTH of WEST. 8.5 kg m/s at an angle of 3.27 degrees NORTH of WEST. 15.8 kg m/s at an angle of 3.27 degrees NORTH of WEST. 20.1 kg m/s at an angle of 27.5 degrees NORTH of WEST. 15.8 kg m/s at an angle of 17.2 degrees NORTH of WEST
. 8.5 kg m/s at an angle of 3.27 degrees NORTH of WEST. 15.8 kg m/s at an angle of 3.27 degrees NORTH of WEST. 20.1 kg m/s at an angle of 27.5 degrees NORTH of WEST. 15.8 kg m/s at an angle of 17.2 degrees NORTH of WEST
. 8.5 kg m/s at an angle of 3.27 degrees NORTH of WEST. 15.8 kg m/s at an angle of 3.27 degrees NORTH of WEST. 20.1 kg m/s at an angle of 27.5 degrees NORTH of WEST. 15.8 kg m/s at an angle of 17.2 degrees NORTH of WEST
.

Explanation / Answer

px = -2*6 cos 45 = -8.5

py = 2*6 cos 45 - 4*2 = 0.5

theta = (arctan (0.5/8.5) = 3.37 (B)

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