A 350 kg roller coaster car starts from rest at point A and slides down the...

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A 350 kg roller coaster car starts from rest at point A and slides down the frictionless loop- the-loop (Figure 1). The car's wheels are designed to stay on the track. Part A How fast is this roller coaster car moving at point B? Express your answer in meters per second. VB = 16.0 m/s 25.0 m 3.00 m Submit Previous Answers Part B Correct How hard does it press against the track at point B? Express your answer in newtons. n = 1.49 104 Submit Previous Answers Request Answer ? Incorrect; Try Again; 5 attempts remaining 4.00 m 12.0m N A 350 kg roller coaster car starts from rest at point A and slides down the frictionless loop- the-loop (Figure 1). The car's wheels are designed to stay on the track. Part A How fast is this roller coaster car moving at point B? Express your answer in meters per second. VB = 16.0 m/s 25.0 m 3.00 m Submit Previous Answers Part B Correct How hard does it press against the track at point B? Express your answer in newtons. n = 1.49 104 Submit Previous Answers Request Answer ? Incorrect; Try Again; 5 attempts remaining 4.00 m 12.0m N