Answer to Question #1665 in Mechanics | Relativity for inah
You need to know the height of a room, but you have no tape measure. You fasten one end of a string to the ceiling of the room, and tie a small rock at the other end so it almost touches the floor. You start this simple pendulum swinging slightly, and measure its period, which is 3.50 seconds. How tall is the room? Answer in meters.
The period and the length of mathematical pendulum are related by the following expression: T = 2 π √(L/g) Thus the length is L = T2g/4π2 = 3.52* 9.8 / (4*3.142) = 3.04 [m]
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Just have a question. Do you also provide help in understanding a concept? Not an assignment but for my learning. If certain concepts in the book are not clear, can you provide a simplified explanation of it using math that's understandable? You can charge the equivalent of an assignment.
Some things in the chapter attachments I sent you are not clear. They do not have much solved examples either.
Thanks a lot,