10. Which one of the following is the correct formula for centripetal force (whi

Question

10. Which one of the following is the correct formula for centripetal force (which, as a force, should be in units of newtons) Im is in kg, vis in m/s, ris in m] (a) m (b) mv (c) mvr 11. Fill in the blanks (a) 10 millipedes is a (b) A trillion mic s is a (c) 10 cards is a See metric table near front cover of textbook.] 12. (a) Con 200 mi/h to m/s. b) Convert 100hp and to ft.lb/s (c) [Advanced] Conve mis to 96 pe MLY 5 (MLY is mega-lightyears.) 13. A student proves that a dollar eque penny as follows A dime is both one-tenth of a dollar and eq to 10 cents Square both sides, will still be equal But .01$ =1c and 100c= 1$ so What's wrong with this argument? 1$ 10% 01$ = 100¢ 1c 1$ Rusty's is offering a special price of $15 for their large (20") pizza (regu orice $18). They also sell small (10") pizzas for a price of $5. Two hungSUB students arrive... Raphael: "A special deal, great! Let's get a large one." tello: "Don't be dumb. Let's get three of the small ones for the same pice. More pizza and cheaper." Raphael: "They wouldn't sell less for more and call it a special, let's get the large. Who's right? What if they were square pan pizzas? 3 of 4

Explanation / Answer

10) Option B)

Centripetal force = mv^2/r

11) a) 10 millipedes = 1 centipede

b) 1 trillion microphones = 1 megaphone

12) a) 200 mi/h = 89.408 m/s

b) 100 W = 0.134102 hp = 73.76 ft.lb/s

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