Answer to Question #114787 in Physics for Nzwana

Question #114787

A vertical spring with spring constant k=900N/m , is attached to a table and is compressed down by 0,155m. What upward speed can it give to a 0,39kg ball when released?

Expert's answer

"0.5mv^2=0.5kx^2\\to 0.39v^2=(900)(0.155)^2"

"v=7.45\\frac{m}{s}"

Learn more about our help with Assignments: Physics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. You have built a giant tire swing. It is hanging of a 8m horizontal plank weighing 64kg. The plank i
2. (1) An ion engine has 1 Tesla magnetic field and a hydrogen plasma is to be short out at an ExB velo
3. a tennis ball with a mass of 0.0572 kg is hit with a force of 389.29 N determine how long it takes t
4. given two charges q1=3x10^-6C and q2=-4x10^-6 C find the potential emergy of the system when they ar
5. A source emits 2000Hz sound waves. At a distance of 300m from the source, a device is installed that
6. Determine the time in seconds taken for the temperature to fall from 68.0oC to 62.1oC. Measure the r
7. 8. A shot-putter throws the shot with an initial speed of 15.5 m/s at 34.0° angle to the horizont

Who Can Help Me with My Assignment

There are three certainties in this world: Death, Taxes and Homework Assignments. No matter where you study, and no matter…
How to Finish Assignments When You Can’t

Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for.…
How to Effectively Study for a Math Test

Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…