Two students are playing hockey with 0.4-n wad of paper. one student hits the wad and it slides across his desk, slowing down at a rate of 0.6 m/s/s. find the coefficient of kinetic friction between the wad and the desk?

The path of a satellite orbiting the earth causes it to pass directly over two tracking stations a and b, which are 51 miles apart. when the satellite is on one side of the two stations, the angles of elevation at a and b are measured to be 87 degrees and 84 degrees, respectively. (a) how far is the satellite from station a? (b) how high is the satellite above the ground?

A200 g lead frying pan gains 2000 joules of heat. what is the change in temperature

Ominge cade de la inaptimea de 3 metri apoi sare de la podea pina la inaltimea de 0,5 metri. determina a) forma traectoriei mingii. b) deplasarea mingii. c) drumul parcurs de minge. va rog foarte mult va dau coroana