Allen, Charles Ricketson, 1862- [from old catalog] · New York, H. Holt and company · leaf 190
r use the method given in notes on Mensuration. ACTION AND REACTION. 177 EXERCISE 8. ACTION AND EEACTION. Preliminary.—In this exercise we experiment with twobodies by giving them various amounts of energy andallowing them to collide. The special point of the experi-ment is to compare (1) the… … in Fig. 92. Two ivory balls, A and B, are so suspendedthat they can swing in one plane only, and will collide atthe lowest point of their arc. They may be drawn asideany desired distance and held there by the electro-magnetsCO, and released by breaking the circuit. The distances 178 DYNAMICS. they…
Physics
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