A skateboarder traveling at 7.0 meters per second rolls to a stop at the top of a ramp in 3.0 seconds. What is the skateboarder's acceleration? acceleration=[acceleration]m/s2

The skateboarder's acceleration is -2.33 m/s².

Explanation:

The acceleration of an object is a magnitude that indicates how the speed of the object changes in a unit of time. That is, acceleration is the change in speed in a unit of time.

Acceleration is calculated as the relationship between the variation or change in the speed of a mobile and the time used for said change:

In this case:

Replacing:

and solving you get:

acceleration= -2.33 m/s²

The skateboarder's acceleration is -2.33 m/s².

a chemical reaction

explanation:

explanation:

venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things.

here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.