Question: Main Menu Go to the previous resource in the course sequence Provide my evaluation of this resource Set a bookmark for this resource Submit

Main Menu Help Logout Go to the next resource in the Go to the previous resource in the course sequence a Show Metadata Provide my evaluation of this Provide feedback messages or contribute to the course Prepare a printable document discussion about this resource notes and annotations about this resource Set a bookmark for this resource PHY131S17, Homework a10: Speeding Rock Star An intergalactic rock star bangs his drum every 170 s. A person on earth measures that the time between beats is 2.30 s. How fast is the rock star moving relative to the earth? Tries 0/20 Submit Answer Preferences on what is marked as NEW Export? Mark NEW posts no longer new NEW units? lan zakal (szakaldr:cmich) Reply (Sat Apr 22 08:19:20 pm 2017 (EDT)) for whatever reason it is not reading my answer when entering in seconds suggestions? NEW Nevermind Dylan Szakal (szakaidr:cmich) Reply (Sat Apr 22 08:20:42 pm 2017 (EDT)

Main Menu Go to the previous resource in the course sequence Provide my evaluation of this resource Set a bookmark for this resource Submit Answer Tries 0/20 Course Contents Export? Provide feedback messages or contribute to the course discussion about this resource Courses NEW PHY131S17, Homework #10: Speeding Rock Star An intergalactic rock star bangs his drum every 1.70 s. A person on earth measures that the time between beats is 2.30 s. How fast is the rock star moving relative to the earth? Help Logout Go to the next resource in the course sequence Show Metadata Prepare a printable document Make notes and annotations about this resource Preferences on what is marked as NEW Mark NEW posts no longer new NEW units? Dylan Szakal (szakaldr:cmich) Reply (Sat Apr 22 08:19:20 pm 2017 (EDT)) for whatever reason it is not reading my answer when entering in seconds suggestions? Nevermind Dylan Szakal (szakaldr:cmich) Reply (Sat Apr 22 08:20:42 pm 2017 (EDT)) Main Menu Go to the previous resource in the course sequence Provide my evaluation of this resource Set a bookmark for this resource Submit Answer Tries 0/20 Export? Course Contents Provide feedback messages or contribute to the course discussion about this resource NEW Courses Help Logout PHY131S17, Homework #10: Crossing the Milky way The Milky Way has a diameter (proper length) of about 1.210 light-years. According to an astronaut, how many years would it take to cross the Milky Way if the speed of the spacecraft is 0.890 c? Go to the next resource in the course sequence Show Metadata Prepare a printable document Make notes and annotations about this resource Preferences on what is marked as NEW Mark NEW posts no longer new Help Elizabeth O'Donnell (odonnleh:cmich) Reply (Wed Apr 19 08:57:13 am 2017 (EDT)) I'm not underet. ding thin na Sama haln would be grant!

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