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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 …

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 me. I have been trying for the past hour

A Roller coaster car is moving 19.8 m/s on flat ground when it hits the brakes. It-example-1
User Kumar Manish
by
8.3k points

1 Answer

4 votes

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

User Zeusstl
by
8.2k points
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