Q: What is the acceleration in miles per second squared if a car is traveling 20 miles per second and takes 3 seconds to brake?

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The sprinter's acceleration is 2 meters per second squared.

Acceleration is measured in m/s2 (metres per second squared)

-2.33 metres per second squared

Acceleration is a change in velocity per unit of time. Velocity is distance (d) per unit of time (t). That makes acceleration distance per unit of time squared, or something like this:We have distance/time2, or d/t2Distance is commonly measured in meters, and time in seconds. This makes acceleration appear in meters per second per second, or meters per second squared, or m/sec2.m/s2meters per second squared

Acceleration is measured in (distance) per (unit of time) squared; for example, feet/second squared in the SI (metric) system the official unit is metres/second/second or metres/(second squared)

Related questions

The sprinter's acceleration is 2 meters per second squared.

Seconds are not squared in the acceleration formula. The units for acceleration are meters per second squared (m/s^2), where the time unit (seconds) is squared to represent the change in velocity over time.

Velocity can be measured in metres per second, not metres per second squared. Acceleration is measured in metres per second squared but knowing only the acceleration does not help in finding the velocity.

10 feet per second squared

The answer is B - 3 meters per second squared

Acceleration is measured in m/s2 (metres per second squared)

Acceleration measures the rate of change of velocity over time. The squared seconds unit is used because acceleration is the change in velocity per unit time, so it is expressed as distance per time squared. This allows us to quantify how quickly the velocity of an object is changing over time.

-66.667 miles per second squared

A gain of 2 miles per second squared

Something that has a constant acceleration of 13.3 per second squared

20 miles per second / 10 seconds = 2 miles per second ^ 2

2 miles per second squared