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A Roller coaster car is moving 19.8 m/s on flat ground when it hits the brakes. It decelerates at -3.77 m/s squared over the next 45.8 m how much time does it take? Please help …
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A Roller coaster car is moving 19.8 m/s on flat ground when it hits the brakes. It decelerates at -3.77 m/s squared over the next 45.8 m how much time does it take? Please help …
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Jul 17, 2020
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A Roller coaster car is moving 19.8 m/s on flat ground when it hits the brakes. It decelerates at -3.77 m/s squared over the next 45.8 m how much time does it take? Please help me. I have been trying for the past hour
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Kumar Manish
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Step-by-step explanation:
s = ut + 1/2 at^2
45.8 = 0 ×t + 1/2 ×-3.77×t^2
t^2 = 2×458×100/37×10
t = square root 24.2
t = 5sec
Zeusstl
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Jul 21, 2020
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