It takes 160 kj of work to accelerate a car from 24.0 m/s to 27.5 m/s. what is the car's mass?

Question

04-04-2018
Physics

contestada

It takes 160 kj of work to accelerate a car from 24.0 m/s to 27.5 m/s. what is the car's mass?

Respuesta :

Otras preguntas

How many people were living in the United States of America on July 4, 1776? 2.5 million 9 million 15 million 30 million

The oldest rock in the world, the Granitic Gneiss, was found in what state?

What American President was famous for playing golf every Fourth of July?

How many people were living in the United States of America on July 4, 1776? 2.5 million 9 million 15 million 30 million

what is the square root of 141?

Where does the Liberty Bell hang?

question number 4 please help

If you are standing in front of 1600 Pennsylvania Avenue, what are you looking at? a. the Capitol building b. the Metropolitan Museum of Art c. the White Hou

d = √[( x₂ - x₁) + (y₂ - y₁)] Midpoint Formula Slope Form Distance Formula Quadratic Formula

kiaratatiana7p6mdlk kiaratatiana7p6mdlk · Answer 1 · 2018-04-08T01:06:52+02:00

kiaratatiana7p6mdlk kiaratatiana7p6mdlk

08-04-2018

Work-Energy :W = 1/2 m ( Vf^2 -Vo^2 )
Vo = 24.0 m/s Initial speed
Vf = 27.5 m/s Final speed

W = 1/2 m ( Vf^2 -Vo^2 )
160 kj = 1/ 2 m ( 27.5^2 -24.0 ^2)
160kj = 4680 x m
convert kilo joules to jeoules 160000 j = 4689 xm
m = 160000 j/4689
m = 34.18 kg

Answer Link