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July 30, 2014

July 30, 2014

Posted by **Chopsticks** on Wednesday, April 1, 2009 at 4:39pm.

Is she still walking 3mph? or

800+3= 803mph?

I keep wanting to say its 3mph

- Science -
**Ms. Sue**, Wednesday, April 1, 2009 at 4:41pmShe's actually walking at 3 mph, but she's traveling at 803 mph.

- Science -
**Chopsticks**, Wednesday, April 1, 2009 at 4:46pmSo 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 4:47pmThat's how I see it, but a real math tutor may interpret this data differently.

- Science -
**Chopsticks**, Wednesday, April 1, 2009 at 4:51pmI think I get it. Its 3mph relatively to the plane, but 803mph relatively to the ground.

Right?

- Science -
**Ms. Sue**, Wednesday, April 1, 2009 at 4:54pmSounds right to me! :-)

- Science -
**Reiny**, Wednesday, April 1, 2009 at 5:18pmMs. 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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