Cart is set rolling across a level table, at the same speed on every trial. if it runs into a patch of sand, the cart exerts on the sand an average horizontal force of 6 n and travels a distance of 6 cm through the sand as it comes to a stop. if instead the cart runs into a patch of flour, it rolls an average of 18 cm before stopping. what is the average magnitude of the horizontal force the cart exerts on the flour? 2 n
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Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th
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Cart is set rolling across a level table, at the same speed on every trial. if it runs into a patch...
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