A student performs a ballistic pendulum experiment using an apparatus similar to

Question

A student performs a ballistic pendulum experiment using an apparatus similar to that shown in the first figure. She obtains the following average data: h = 8.66 cm, projectile mass m1 = 64.4 g, and pendulum mass m2 = 263 g.


(a) Determine the initial speed v1A of the projectile.


m/s

(b) The second part of her experiment is to obtain v1A by firing the same projectile horizontally (with the pendulum removed from the path) and measuring its horizontal position x and distance of fall y, as shown in the second figure. What numerical value does she obtain for v1A on the basis of her measured values of x = 262 cm and y = 79.7 cm?


m/s

(c) What factors might account for the difference in this value compared to that obtained in part (a)?

Explanation / Answer

no figure . repost with figure...

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