Recent content by mmalone11

so just divide by 10?

Well i know Work=Fd but I am not sure how to incorporate the joules..

1. Homework Statement The diagram shows a 5kg block of lead released from rest at the top of an incline. The block has a speed of 6 m/s when it reaches the bottom. The angle between the slope and the ground is 40° and the slope is 10 m long. a) What is its PE at the top? b) What is its KE at...

Heat is the only thing i could think of? But how do you know 90 J went to friction

Would that still be 315 J?

Homework Statement The diagram shows a 5kg block of lead released from rest at the top of an incline. The block has a speed of 6 m/s when it reaches the bottom. The angle between the slope and the ground is 40° and the slope is 10 m long. a) What is its PE at the top? b) What is...