The summer camps had a field trip from the campus to
Fragrance Hill. They travelled at an average speed of 65 km/h
in the first 2 hours. After that, they travelled at another average
speed of 78 km/h. If the distance between the campus and
Fragrance Hill is 364 km, what was the total time for a field trip?

Could someone . i have tried to solve myself but my calculation is off

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

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy