lovejaenide lovejaenide

20-05-2021
Physics

contestada

A car accelerates at a rate of 6m/s^2 for 4 seconds until it has traveled a total of 40m what was the initial velocity of the car

Respuesta :

01-06-2021

Using the 2nd equation of motion;

= s = ut + ½at²

= 40 = u×2 + ½ × 6 × 2²

= 40 = 2u + 3 × 4

= 40 - 12 = 2u

= 28/2 = u

= 14 m/s = u

And its done! Simple isn't? :P

Answer Link

Otras preguntas

the _________________________ amendment banned slavery in the united states

A rectangular garden with a width of 42 feet has an area of 2,814 square feet. What is the length of the garden? _______ft

How did rivers in new York help settlers?

what type of investigation allows the control of variables

7. To avoid data dumping, how many important points should your message include

Each major political party in America is organized by

How many feet is 50 meters? how many feet are there in fifty meters...???

use mathematical symbols to write three different expressions to represent three groups of five

9(n+3)=7n-3 Help Me Find "X"

Mars is about 7 10km away from the sun. Saturn is about 7 11km away from the sun. about how many times the distance from the sun to Mars is the distance from th