A Car Starts from Rest and Goes Down a Slope

question 7

Multiple Choice

A car starts from rest and goes down a slope with a constant acceleration of 5 m/s².After 5 seconds the car reaches the bottom of the hill.What is its speed at the bottom of the hill?

• A)1 m/s
• B)12.5 m/s
• C)25 m/s
• D)50 m/s
• E)160 m/s

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Definitions:

Pheromones

Chemical substances produced and released into the environment by animals, affecting the behavior or physiology of others of its species.

Menstrual Cycles

The regular natural change that occurs in the female reproductive system that makes pregnancy possible, typically a 28-day cycle.

Tastants

Chemical compounds that stimulate the taste receptors on the tongue.

Molecules

The smallest unit of a chemical compound that can exist; made up of two or more atoms bonded together, retaining the properties of that compound.