Register
A 40kg cart gains a KE of 200J. How fast does it go?
189k views
10 votes
A 40kg cart gains a KE of 200J. How fast does it go?

User Brein
by
4.1k points

1 Answer

9 votes

Answer:

3.16 m/s

Step-by-step explanation:

Use the formula


k = \frac{m {v}^(2) }{2} \\ v = \sqrt{ (2k)/(m) } \\ v = \sqrt{ (2(200))/(40) } \\ v = 3.16 (m)/(s)

User Xceno
by
4.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.6m questions

6.0m answers

Other Questions

How long does it take to cover 5 metre when going at the speed of 1 km/h
What is the difference between mass and density?
How long is a day/night cycle on the moon?
What are three ways in which heat is transferred
On Mars a rock falls an unknown vertical distance from a resting position and lands in a crater. If it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? Mars' surface gravity
Link Copied!