Can someone help me out with this?

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

Drag the labels to the correct location in the equation. not all labels will be used (1 kilometer = 1,000 meters, 1 hour = 60 minutes, 1 minute = 60 seconds) complete the steps necessary to convert 55 kilometers per hour to meters per second, min 60 1,000 15.28100 sec min 55 km 1 hour 5fhkem x 4 km] m x 1 hourin xoo1 min 1 km sec reset next

The word belongs in a different group than all of the other words in the list.