(C) Experiments suggest that the undamped frequency (f) of oscillations of a mass supported on a helical spring depends on the mass (m), and spring stiffness
Force (F)
(Displacement (%)). Determine which of the following equations cannot be true using
dimensional analysis.
(i)
x)
f =
-0
1
27 Fm
(ii)
1/F
f=;
21 mx)
(iii)
1 (FX
f=
21 m

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet