maryquinonesusa maryquinonesusa

15-09-2020
Physics

contestada

A car goes from 40 m/s to 30 m/s in 5 sec. What is its acceleration?

Please help me

Respuesta :

LammettHash LammettHash

15-09-2020

The car's average acceleration is

a (ave) = (30 m/s - 40 m/s)/(5 s) = -2 m/s^2

(That is, divide the change in velocity by the time it takes for the change to take place.)

If acceleration is constant, then it is equal to the average acceleration.

Answer Link

Otras preguntas

What is the best way to punctuate the bolded portion of the sentence? I rode this bicycle, Felipe gasped, at least two miles up the hill.” I rode this bicycle,

Find three numbers between -0.55 and -0.54

A 75-kg refrigerator is located on the 70th floor of a skyscraper (300meters a over the ground) What is the potential energy of the refrigerator? #PLEASE HELP

How do you solve 5h-6-h+10=12

CAN ANYONE HELP PLEASE! I need to write 100 words in french about what sport and exercise i do for fun and to keep fit. It has to be in paragraphs not as a list

How did the Egpytians use their pyramids

Compare the distance-time graph for a fast-moving object with the distance time graph of a slower moving object.

What did Christopher Columbus miscalculate before his voyages? A. He thought the Earth was larger than it really was B. He overestimated the size of Europe and

Earth's population continues to grow daily. Which of the following statements best illustrates a possible consequence of such rapid growth? More oxygen will be

Mr.Nolan changes the oil in his car every 4,000 miles. He uses 3 quarts of the oil each time. How many quarts of oil will he have used after 12,000 miles?