susan and syd are riding a roller coaster. the coaster enters the first loop with a velocity of 25 m/s. the loop has a radius of 30m. how much work is done (in J) by the normal force on the cart as it goes around the loop?
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susan and syd are riding a roller coaster. the coaster enters the first loop with a velocity of 25 m/s. the loop has a radius of 30m. how much work is done (in J) by the normal force on the cart as it goes around the loop?
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