Dynamics·stopping-distance

Stopping Distance

Determine the stopping distance for a driver based on their reaction time and deceleration rate when approaching a stop.

Math animationDynamics · stopping-distance

✓ All 2 test cases pass.

Inputs

Reaction Time (s)

The time taken by the driver to react before applying brakes.

Deceleration (ft/s²)

The rate of deceleration of the car in feet per second squared.

Initial Speed (ft/s)

The speed of the car before stopping in feet per second.

Test cases

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#	Inputs	Expected	Got	Status
1	{"reaction_time":0.75,"deceleration":2,"initial_speed":44}	517	517	✓
2	{"reaction_time":1,"deceleration":3,"initial_speed":60}	660	660	✓

APIDeveloper APICall this calculator from codeexpand ↓

Endpoint

POST/api/calculators/dynamics/stopping-distance/compute

Inputs (3)

reaction_timenumberdefault 0.75
decelerationnumberdefault 2
initial_speednumberdefault 44

Example

curl -sX POST http://localhost:3001/api/calculators/dynamics/stopping-distance/compute \
  -H "Content-Type: application/json" \
  -d '{"inputs":{"reaction_time":0.75,"deceleration":2,"initial_speed":44}}'

Try it live

Edit the body below, then click Call API.

Request body

Response

(click Call API to see the response)

full API docs →

Source: Pattern from: Russell C. Hibbeler - Engineering Mechanics_ Dynamics (14th Edition) Instructor's Solutions Manual-Prentice Hall (2015).pdf. Reproduces a standard stopping-distance computation; problem text paraphrased.

AI disclosure: Calculator code generated by openai/gpt-4o-mini-2024-07-18; verified by 2 test cases.