...called the centre of vibration, and it is obvious that the time of vibration of a compound pendulum is the same as that of a simple pendulum whose length is equal to the distance of the centre of vibration from the point of suspension. This distance is the virtual...

...relative equilibrium, shew that the time of a small oscillation when the ring is slightly displaced is the same as that of a simple pendulum whose length is a cot a cosec a. 21* A square plate of bright metal has its centre fixed and is so placed that at sunrise...

...TT /»-a do rr .'. Time of an oscillation = t = -— / - = TT —• ^ 3^ c/ + « V/a2 _ 02 N Salt is the same as that of a simple pendulum whose length is — , and is independent of the length of tbe rod. General Solution, by PROFESSOR GILL. Let m be the...

...greatest value of 9. .'. Time o( an oscillation = t = — / . ^ s- I — N 3^ t/ + „ vV _ в» ^ 3f It is the same as that of a simple pendulum whose length is —, and is independent of the length of the rod. (icncrat Solution, by PROFESSOR GILL. Let m be tbe...

...given by equation (21) page 336. The time of vibration in this case of direct compression or of tension is the same as that of a simple pendulum whose length is S Ea DERIVATION OF THE TIME-DEFLECTION EQUATION. The equation between time and deflection may be derived...