The Stopping Distance D of a Car After the Brakes

question 171

Short Answer

The stopping distance D of a car after the brakes have been applied varies directly as the square of the speed s. A certain car traveling at 50 mi/h can stop in 240 ft. What is the maximum speed it can be traveling if it needs to stop in 150 ft? Round your answer to one decimal place.

---

Definitions:

Comparative Morphology

The branch of biology that studies the structure, form, and variation of organisms to determine relationships and evolutionary changes.

Morphological Divergence

The evolution of different forms, structures, or appearances in organisms as a result of adaptation to different environments or ecological niches.

Body Plans

The general physical layout of an organism, including the arrangement of organs and tissues; varies widely across the animal kingdom.

Geologic Time

A system of chronological measurement that relates stratigraphy to time, used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events in Earth’s history.