Advanced Placement (AP) College


If an object accelerates at 4 meters per second
per second, downriver, in a river flowing at 3
meters per second, how fast is it going at 10
seconds

Answers

Answer 1

Based on the calculations, the final velocity of this object is equal to 43 meters per second.

Given the following data:

Acceleration = 4 meters per second per second.

Initial velocity = 3 meters per second.

Time = 10 seconds.

What is an acceleration?

An acceleration can be defined as the rate of change of the velocity of an object with respect to time. Also, acceleration is usually measured in meter per seconds square.

How to calculate the acceleration of an object?

Mathematically, the acceleration of this object can be calculated by using this formula:

a = (V - U)/t

Where:  

V represents the final velocity.U represents the initial velocity.t represents the time measured in seconds.a represents the acceleration.

Making V the subject of formula, we have:

V = U + at

Substituting the given parameters into the formula, we have;

V = 3 + 4(10)

V = 3 + 40

Final velocity, V = 43 meters per second.

Read more on acceleration here: brainly.com/question/24728358

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Related Questions

The table shows the number of hours it takes for Kim to install a computer or to paint a garage and for Maria to install a computer or to paint a garage.


If tasks are assigned according to comparative advantage, which of the following is true?


Kim should perform both tasks.

Kim should perform both tasks.

Maria should perform both tasks.

Maria should perform both tasks.

Kim should install computers and Maria should paint garages.

Kim should install computers and Maria should paint garages.

Kim should paint garages and Maria should install computers.

Kim should paint garages and Maria should install computers.

Kim and Maria should both install computers.

Answers

If tasks are assigned according to comparative advantage, the statement which is true is that: Kim should install computers and Maria should paint garages.

What is a comparative advantage?

A comparative advantage can be defined as the ability of a business firm or country to produce goods and services at a lower opportunity cost than their rivals (competitors) or trade partners.

What is an opportunity cost?

An opportunity cost is also referred to as alternative forgone and it can be defined as the value, profit or benefits that are given up and forfeited by an individual or business firm, in order to choose or acquire something that is deemed most significant at a particular point in time.

In this context, we can infer and logically deduce that Kim should install computers because it would only take her 2 hours as against Maria's 4 hours while Maria should paint garages.

Read more on comparative advantage here: brainly.com/question/12291750

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