Recent content by physicshelpppp

I have been looking at questions, when I do a worked question... and the force down (weight force) on the object would be mgsinpheta and the force perpendicular is mgcospheta which has same magnitude as normal force so frictional force is = μsN (where is normal force is equal to perpendicular...

[b]1. Problem I am currently doing a home experiment about the coefficient of static friction. I've set up a ramp and am testing at which angle a tissue box begins to movie (with five different masses in it)... Although for every mass I use the angle seems to remain the same. The angle at...

Homework Statement A block with a mass of 1.137 kg is placed at the top of an inclined plane. The plane is d = 2.592 m long. The angle θ the plane makes with the horizontal can be adjusted, changing the height of the top of the plane. The lower half of the plane has a rough surface with...

thank you so much it was sig fig :)

oh my apologies, yes they are all identical, the same mass. That was meant to say 2.05x10^4, was a typo when posting on the forum. sorry!

yeh the program might be picky, but will let me continue trying until i get the correct answer :)

The two carriages it collides with are identical so for the second mass I multiplied the mass of the singular carriage 2x(2.05x10^4)

I'm sorry if it isn't very logical what I'm saying. This is my first time ever learning physics. I'm trying to calculate the speed of the railway carriage after the collision. So I began by calculating the momentum by using P = m1v2 + m2v2 and then I used p = mxv and rearranged it to v = p/m to...

Homework Statement A railway carriage with a mass m = 2.05×104 kg is initially traveling to the left with a speed Vi = 3.24 m/s. It collides and couples with (get stuck to) two identical railway carriages move to the left with a speed of Ui = 2.36 m/s. What is the speed of the railway...