A 410-kg piano is being unloaded from a truck by rolling it down a ramp inclined at 25°. There is negligible friction and the ramp is 11.0 m long. Two workers slow the rate at which the piano moves by pushing with a combined force of 1300 N parallel to the ramp. If the piano starts from rest, how fast is it moving at the bottom?

What is the major limitation to the light microscope?

Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false