Physics, 04.06.2021 03:00, haileywilliams1
2. A 260 kg piano is pulled up a frictionless 13 m plank to get it through French doors that are located 5.0 m above
the ground.
a.
How much GPE (relative to the ground) does the piano have when it is inside the French doors?
b.
How much force is needed?
c.
How much force would be necessary to slowly lift the piano straight up?
Answers: 3
Physics, 21.06.2019 14:00, drecooks713
Consider a resistor with color code “orange blue brown gold” and a measured value of 370 ω. determine the following: nominal value, tolerance, % error, and the probability of another resistor from the same manufacturing batch having a value closer to nominal than this one. use matlab or excel to evaluate the erf function.
Answers: 2
Physics, 22.06.2019 02:00, ghwolf4p0m7x0
In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong
Answers: 1
2. A 260 kg piano is pulled up a frictionless 13 m plank to get it through French doors that are loc...
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