Pg.5 (7] A projectile was launched vertically upward with an initial speed of 29.2 m/s from the ground. a) Find the time it takes to get to the maximum height. V/g 29.2/9.8 Tこ 297m Find the maximum height of the projectile. b) Vaン 27h hc Valla) 9.6 h= 29-2* h=43.5M c) Find its position 2 seconds later. 0:5 qtx2 a ut = %3D O5x9.8x22 h= 29.2メ2-0x98x2- h= 38-8 m (alo d) When is the speed of the projectile V=-30m/s

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.