A motorcyclist travels around a curved path that has a r radius of 375ft. While travelling around the curved path, the motorcyclist increases speed by 1.10 ft/s2. If the motorcyclist starts from rest, 1. Determine the time needed to reach an acceleration of 4.75 ft/s2. Express your answer to three significant figures and include the appropriate units.
2. Determine the speed of the motorcyclist at the instant the acceleration is 6.25 ft/s2. Express your answer to three significant figures and include the appropriate units.
3. Determine the magnitude of the acceleration at the instant the speed of the motorcyclist is 26.5 ft/s. Express your answer to three significant figures and include the appropriate units.
4. Determine the maximum constant speed of the motorcyclist when the maximum acceleration is 6.25 ft/s2. Express your answer to three significant figures and include the appropriate units.

Ticker services began operations in 2015 and maintains long-term investments in available-for-sale securities. the year-end cost and fair values for its portfolio of these investments follow.portfolio of available-for-sale securities cost fair valuedecember 31, 2015 $ 369,060 $ 357,988 december 31, 2016 420,728 445,972 december 31, 2017 572,190 676,901 december 31, 2018 864,007 768,966 prepare journal entries to record each year-end fair value adjustment for these securities.calculation adjustment required to fair value adjustment.12/31/15 existing balance in fair value adjustment-afs (lt) required balance in fair value adjustment-afs (lt) adjustment required to fair value adjustment-afs (lt) 12/31/16 existing balance in fair value adjustment-afs (lt) required balance in fair value adjustment-afs (lt) adjustment required to fair value adjustment-afs (lt) 12/31/17 existing balance in fair value adjustment-afs (lt) required balance in fair value adjustment-afs (lt) adjustment required to fair value adjustment-afs (lt) 12/31/18 existing balance in fair value adjustment-afs (lt) required balance in fair value adjustment-afs (lt) adjustment required to fair value adjustment-afs (lt) record the year-end adjusting entry for the securities portfolio as of december 31, 2015.date general journal debit creditdec 31, 2015 record the year-end adjusting entry for the securities portfolio as of december 31, 2016.date general journal debit creditdec 31, 2016 record the year-end adjusting entry for the securities portfolio as of december 31, 2017.date general journal debit creditdec 31, 2017 record the year-end adjusting entry for the securities portfolio as of december 31, 2018.date general journal debit creditdec 31, 2018