A load of 600N is lifted using a first class lever applying an effort of 350N .If the distance between the load and the effort is 60 cm and the distance between the load and the fulcrum is 30cm, calculate its efficiency ​

Prompta snowboarder stands at the top of a hill and decides to see if he can increase his speed on his next trip down the slope.describe one thing the snowboarder could do to incrlase his speed on the slope. explain why this would cause his speed toincrease relate one of newton's laws to this problem.

Based on this activity, is kinetic energy always transformed into potential energy?

What types of radiation make up the electromagnetic spectrum?