A student performs a ballistic pendulum experiment using an apparatus similar to that shown in Figure 9.11b. She obtains the following average data: h = 8.68 cm, m1 = 68.8 g, and m2 = 263 g. The symbols refer to the quantities in Figure 9.11a. (a) Determine the initial speed ??1A of the projectile. (b) The second part of her experiment is to obtain υ1A by firing the same projectile horizontally (with the pendulum removed from the path), by measuring its final horizontal position x and distance of fall y (Fig. P9.65). Show that the initial speed of the projectile is related to x and y through the relation What numerical value does she obtain for ??1A based on her measured values of x = 257 cm and y = 85.3 cm? What factors might account for the difference in this value compared to that obtained in part (a)?
A student performs a ballistic pendulum experiment using an apparatus similar to that shown in Figure 9.11b. She obtains the following average data: h = 8.68 cm, m1 = 68.8 g, and m2 = 263 g. The symbols refer to the quantities in Figure 9.11a. (a) Determine the initial speed ??1A of the projectile. (b) The second part of her experiment is to obtain υ1A by firing the same projectile horizontally (with the pendulum removed from the path), by measuring its final horizontal position x and distance of fall y (Fig. P9.65). Show that the initial speed of the projectile is related to x and y through the relation What numerical value does she obtain for ??1A based on her measured values of x = 257 cm and y = 85.3 cm? What factors might account for the difference in this value compared to that obtained in part (a)?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A student performs a ballistic pendulum experiment using an apparatus similar to that shown in Figure 9.11b. She obtains the following average data: h = 8.68 cm, m1 = 68.8 g, and m2 = 263 g. The symbols refer to the quantities in Figure 9.11a. (a) Determine the initial speed ??1A of the projectile. (b) The second part of her experiment is to obtain υ1A by firing the same projectile horizontally (with the pendulum removed from the path), by measuring its final horizontal position x and distance of fall y (Fig. P9.65). Show that the initial speed of the projectile is related to x and y through the relation What numerical value does she obtain for ??1A based on her measured values of x = 257 cm and y = 85.3 cm? What factors might account for the difference in this value compared to that obtained in part (a)?
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