Thursday
June 20, 2013

# Posts by Alice

Total # Posts: 462

Physics
An ant on a picnic table travels 40 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the ant's directional displacement relative to its original position?

Physics
An ant on a picnic table travels 40 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the ant's directional displacement relative to its original position?

Physics
A ferry is crossing a river.The ferry is headed due north with a speed of 2.5 m/s relative to the water and the river's velocity is 2.0 m/s to the east. What is the magnitude and direction of the ferry's velocity relative to Earth. ( Give the angle from east 0 degrees )

Madmistro, your idea with the diagram is great but you will be planting two tulips in the starting position. Therefore, I think that subtract 1 which yields 19 is the better answer. Although it did not say that 2 tulips could not be planted in the same hole.

science
how are the stone henge and cubi series alike?

Calc
Find the second derivative of the function. f(x) = e−3x + 5e4x

Trigo
Two men travelling in opposite directions at the rate 18 and 22 miles per hour respectively started at the same time from the same place. In how many hours will they be 250 miles apart?

chinese
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physics question
What is a magnetic field, and what is its source?

physics question
Every spinning electron is a tiny magnet. Since all atoms have spinning electrons, why are not all atoms tiny magnets?

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