Select the correct answer. what happens to the sum of the ball’s kinetic energy and potential energy as the ball rolls from point a to point e? assume there’s no friction between the ball and the ground. a. the sum decreases. b. the sum increases. c. the sum remains the same. d. the sum always equals zero.
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Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal
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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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Your friend increases her force on the desk by 30n . she doesn't change the direction of her push . what happens to the net force on the desk .will the desk accelerate
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Select the correct answer. what happens to the sum of the ball’s kinetic energy and potential energy...
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