Jerry is running away from Tom, who is 5 meters behind, at a speed of 2.5 meters per second. To catch Jerry before he reaches his hiding spot that is 10 meters ahead, what must Tom's minimum speed be?

Question

Jerry is running away from Tom, who is 5 meters behind, at a speed of 2.5 meters per second. To catch Jerry before he reaches his hiding spot that is 10 meters ahead, what must Tom's minimum speed be?
5 meters per second
3.75 meters per second
7.5 meters per second
1.25 meters per second

Anonymous · Accepted Answer

Ten meters ahead of Jerry I guess
How long will Jerry take to get there?
10 meters * 1 second / 2.5 meters = 4 seconds (pathetic speed :(
so
Tom must do 15 meters in 4 seconds
15 meters / 4 seconds = 3.75 meters / second

Sara Wimberly · Answer

thank you i need help with everything on the test tho

Anonymous · Answer

Well, you do not ask old retired physics professors to do your tests do you?

needy · Answer

no and this is now called algebra 1 and I suck at it