arwen08 arwen08

30-01-2017
Mathematics

contestada

a car is traveling at 30 m/s with a kinetic energy of 900 J. What is it's mass?

Respuesta :

kenzieofficial kenzieofficial

30-01-2017

you can use the equation: kinetic energy=mass/2*speed^2

so 900=m/2*30^2

when you solve it you get m=2.

This means the mass of the car is 2kg

Answer Link

Otras preguntas

which structure of the respitory system allows for gas exchange

2 4 expressions 8(4) + (2)

what is the kinetic energy of a 1-kilogram ball is thrown into the air with an initial velocity of 30 m/sec

Find the total area of the solid figure. 60 sq. in. 78 sq. in. 90 sq. in.

How did kennedy handled the cuban missile crisis?

One of the best examples of outcome control is the re-hiring of Steve Jobs by Apple as CEO

describe how the between gravitational force between any two objects is affected by the distance between them

In order to support his theory of evolutionary change, Charles Darwin concentrated his studies on the many species of finches in the Galapagos Islands. Darwin

Who was the first African American to win a Nobel Peace Prize for mediating the Arab Israeli truce?

A company advertises that there are an average of 25 grams of potato chips in each bag of chips. A consumer group has collected a sample and wants to perform a