5. What type of sound wave shape forms behind an object traveling faster than the speed of sound? - a cone
- a long, flat tail
- a bowl-shape
- a sphere

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

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

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.