Register

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

A car is traveling at 30 m/s with a kinetic energy of 900 J. What is it's mass?
166k views
3 votes
A car is traveling at 30 m/s with a kinetic energy of 900 J. What is it's mass?

User Guvanch
by
7.6k points

1 Answer

0 votes
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
User DrGeneral
by
8.1k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!