A dog walks 12 meters to the east and then 16 meters back to the west.
For this motion, what is the distance moved?
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Distance =
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55
What is the magn 28
of the displacement?
Magnitude = -4
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Dir'n =
West
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Why does the input force have to be greater than the force needed to lift the bale?

How do hydroponic plants differ from nonhydroponic plants? a.) hydroponic plants can grow in a dryer soil. nonhydroponic plants grow in moist soil. b.) hydroponic plants grow on other plants and are known as air plants. nonhydroponic plants do not grow on other plants. c.) hydroponic plants can only grow in rain forests. nonhydroponic plants cannot grow in rain forests. d.) hydroponic plants are grown without soil. nonhydroponic plants are grown in soil.

Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.