Vector average acceleration a AV v f vi v t f ti t Create PDF files without this message by purchasing novaPDF printer http www novapdf com Relative motions 1 Speeder and police What is the relative velocity of the speeder car relative to police car Or how the police see your car over the chase Vspeeder police 2 Sand bag What is the relative velocity of the sand back with respect to the person in the balloon Vbag balloon Create PDF files without this message by purchasing novaPDF printer http www novapdf com Relative motion What is the magnitude of velocity of Nick relative to Tom vNick Tom a 13 8 m s b 15 0m s c 16 2m s d All wrong a b c d 13 8 m s 15 0m s 16 2m s All wrong Create PDF files without this message by purchasing novaPDF printer http www novapdf com Nick Tom Relative motion What is the component of vector velocity of Nick relative to Tom vNick Tom a 13 8 m s b 16 2m s c 16 2m s d All wrong a b c d 13 8 m s 13 8m s 16 2m s All wrong Create PDF files without this message by purchasing novaPDF printer http www novapdf com Nick Tom Create PDF files without this message by purchasing novaPDF printer http www novapdf com The first exam will be in Wednesday Feb 5 It will cover chapter 1 to 4 The exam content is similar to the homework in class examples I will post a practice example a week before the real exam so that you can know how to prepare for it Homework solution 1 is posted Homework solution 2 will be posted on Monday Please email Dr Dennis bill physast uga edu the video that you took in the class demonstration Homework 3 will be online on Jan 26 You do not need to do problem 3 and 4 Create PDF files without this message by purchasing novaPDF printer http www novapdf com Create PDF files without this message by purchasing novaPDF printer http www novapdf com Calculate vox and voy a v0x 2 91m s and v0y 1 06m s b v0x 2 91m s and v0y 1 06m s c v0x 2 91m s and v0y 1 06m s d v0x 2 91m s and v0y 1 06m s Create PDF files without this message by purchasing novaPDF printer http www novapdf com Choose whether each of the following statements is true T or false F And give the answer following the order from top to bottom choices An object that is accelerating must have a nonzero average velocity Instantaneous velocity has the same magnitude as instantaneous speed Both displacement and distance can be negative An object with a nonzero velocity can have an acceleration of zero A T T F T B F T F T C F T F F D T T T T Create PDF files without this message by purchasing novaPDF printer http www novapdf com Create PDF files without this message by purchasing novaPDF printer http www novapdf com 4 2 Projectile motion y V0 Zero launch angle x V0 General launch angle Create PDF files without this message by purchasing novaPDF printer http www novapdf com Constant velocity x v0 x t 1 v x v0 x 2 2 v x v0 x y h 2 3 1 2 gt 2 Freely falling v y gt 2 v y 2 g y h 1 2 3 a x 0 650m y 0 0238m s b x 0 650m y 0 0238m s c x 0 650m y 0 0238 m d x 0 650m y 0 0242m Create PDF files without this message by purchasing novaPDF printer http www novapdf com Create PDF files without this message by purchasing novaPDF printer http www novapdf com
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