Recent content by sandercock

ohh right 2.25N that makes more sense..so the distance traveled is... 27cm? according the the work=force*distance equation?

yea i got given the spring constant to be 200N\M, and the spring was compressed 15 cm, so the total potential energy was 30N right?

Yea i starting to get it now, so using the conservation of energy, the change in kinetic energy then equals the work done, and u take away the total work done by friction in the opposite direction (which i worked out to be 6.885N), then do the equation: work=force(friction) * distance...

cool thanx! But how do i work out the velocity? You need that to work out the kinetic energy right? ke=0.5MV^2 as i have the mass, but don't know the distance or time so can't work out V?

hi just a general question, i was setting up an experiment the other day where a spring launched a cube with a mass of 176g with 30N of force along a 85cm surface with friction coefficient of 0.27 (according to the teacher), i got the answer but that's because my class mates helped me in my...

hi I am normally good at physics, but i am abit stuck, because i feel I am missing relevant information. A 100g arrow is shot vertically from a bow whose effective spring constant is 500 n/m,If the bow is drawn 65cm before shooting the arrow, to what height does the arrow rise? i...