Posted by Chopsticks on Wednesday, April 1, 2009 at 4:39pm.
Say that an airplane is traveling at 800mph. A woman walks from the back of that plane to the front at 3mph. How fast is that woman actually walking?
Is she still walking 3mph? or
I keep wanting to say its 3mph
- Science - Ms. Sue, Wednesday, April 1, 2009 at 4:41pm
She's actually walking at 3 mph, but she's traveling at 803 mph.
- Science - Chopsticks, Wednesday, April 1, 2009 at 4:46pm
So her total speed is actually 803?
Say the airplane was moving forward at 800mph and she walks from the front of that plane to the back
would she be traveling at
800-3 = 797mph?
- Science - Ms. Sue, Wednesday, April 1, 2009 at 4:47pm
That's how I see it, but a real math tutor may interpret this data differently.
- Science - Chopsticks, Wednesday, April 1, 2009 at 4:51pm
I think I get it. Its 3mph relatively to the plane, but 803mph relatively to the ground.
- Science - Ms. Sue, Wednesday, April 1, 2009 at 4:54pm
Sounds right to me! :-)
- Science - Reiny, Wednesday, April 1, 2009 at 5:18pm
Ms. Sue is right
chopsticks, pretend you are walking on one of these airport "people movers" which is moving at 4 km/h and your walking speed is 3 km/h.
Would you not be moving at 7 km/h ?
Now walk against the traffic, would you be moving at only 1 km/h ?
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