See Does the Trolley Problem Have a Problem?
"Picture the following situation: You are taking a freshman-level philosophy class in college, and your professor has just asked you to imagine a runaway trolley barreling down a track toward a group of five people. The only way to save them from being killed, the professor says, is to hit a switch that will turn the trolley onto an alternate set of tracks where it will kill one person instead of five. Now you must decide: "
I came up with this answer: I'd wait until the trolley is crossing over that switch, and then throw the switch. This will cause the trolley to derail, and making it stop, thus avoiding any deaths.
"Picture the following situation: You are taking a freshman-level philosophy class in college, and your professor has just asked you to imagine a runaway trolley barreling down a track toward a group of five people. The only way to save them from being killed, the professor says, is to hit a switch that will turn the trolley onto an alternate set of tracks where it will kill one person instead of five. Now you must decide: "
I came up with this answer: I'd wait until the trolley is crossing over that switch, and then throw the switch. This will cause the trolley to derail, and making it stop, thus avoiding any deaths.