While fishing, you get bored and start to swing a sinker weight around in a circle below you on a 0.45 m piece of fishing line. the weight makes a complete circle every 0.95 s . what is the angle that the fishing line makes with the vertical？

Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Why do astronauts in the space shuttle weigh less?