In Passage 1, paragraph 7, the author uses cause and effect text structure to communicate which of the following ideas A. that only one third of all space debris is currently being tracked B.
that the ISS should do more to prevent the collisions of satellites C. that satellites from other countries are being deliberately destroyed adding to the problem D.
that recent events have increased the amount of space debris, increasing the likelihood of collisions

On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg. immediately after the collision, the 0.200 kg block is moving at 12.0 m/s in the direction 30° north of east and the 0.400 kg block is moving at 11.2 m/s in the direction 53.1° south of east. use coordinates where the +x-axis is east and the +y-axis is north.(a) what is the total kinetic energy of the two blocks after the collision (in ) what is the x-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your ) what is the y-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your answer.)