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A roller coaster starts from rest at its highest point and then descends on its (frictionless) track. Its speed is 38 m/s when it reaches ground level. What was its speed when i…

A roller coaster starts from rest at its highest point and then descends on its (frictionless) track. Its speed is 38 m/s when it reaches ground level. What was its speed when i…
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A roller coaster starts from rest at its highest point and then descends on its (frictionless) track. Its speed is 38 m/s when it reaches ground level. What was its speed when its height was half that of its starting point

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User Fred Kleuver
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8.6k points

1 Answer

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Step-by-step explanation:

look !

speed= 38m/s

start from rest= 0

answered
User Parhum
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8.1k points
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