Thank you sooooo much for your explanations
I need a few precisions if you don't mind !
I lost you here! The 4 you added and sunstracted ? Why can you do this ?
Is it -2 because of the "-h" in y = a (x-h)² + k ?
I understand now! If a was say 1/100 it would almost apear flat if we...
Okay I want to be clear, this is not an homework question.
But I have a hard time understanding the concept of what I'm going to show you. The teacher goes way to fast for me, honestly, and when we ask a question it's just like he doesn't want to take the time to make us understand, kinda...
Homework Statement
1) a spring has an elasticity constant of 225 Newtons/meter. What is its restoring for when it's compressed of 20 centimeters ?
2) with what force must we pull a spring to pull 8 centimeters if its elasticity constant is 2 Newton/cm ?
3) we suspend a weight of 4.08...
Homework Statement
1) Calculate the module of the centripetal acceleration of an object located on the equator for its movement linked to the rotation of the Earth on itself.
2) Calculate the module of centripetal acceleration by its orbit around the sun (if we consider it's orbit as...