Recent content by kayron

is that really necessary?? why?

okay

yes i have. the trick is to translate this into an expression of known a known infinite series, like that of e or e^-1 here the answer is e^-1

Homework Statement 2/3!+4/5!+6/7!+...to infinity is equal to?

how do you know it would be less??

okay, then what would it be?

Homework Statement A cylinder of radius 20cm and mass 100g rolls down an inclined plane of height 60cm without slipping. the linear velocity of the cylinder at the bottom is?? (g=980cm/s/s)

ok i got the answer. thank you. i have a question though, i want to know what the question means when it says that the sphere rolls without slipping??

Homework Statement A sphere of mass 50gm and radius 10cm rolls without slipping with a velocity of 5cm/s. Its total kinetic energy in ergs is?