Physics, 09.01.2020 04:31 impura12713
Aworker pushed a 27kg block 9.2 m along a level floor
atconstant speed with a force directed 32o below thehorizontal. if
the coefficient of kinetic friction betweenblock and floor was
0.20, what were a) the work done by theworker's force and b) the
increase in thermal energy of theblock-floor system?
Answers: 3
Physics, 22.06.2019 02:30
The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information
Answers: 3
Physics, 22.06.2019 10:00
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
Answers: 3
Physics, 22.06.2019 12:10
Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.
Answers: 1
Physics, 22.06.2019 15:30
Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work
Answers: 1
Aworker pushed a 27kg block 9.2 m along a level floor
atconstant speed with a force directed 3...
atconstant speed with a force directed 3...
Computers and Technology, 19.02.2020 22:40
History, 19.02.2020 22:40
History, 19.02.2020 22:40
Biology, 19.02.2020 22:41
Mathematics, 19.02.2020 22:41
Mathematics, 19.02.2020 22:41
Health, 19.02.2020 22:41
Physics, 19.02.2020 22:42
Biology, 19.02.2020 22:42
Biology, 19.02.2020 22:42