Question

A Review What is the magnitude of the car's acceleration at t = 13s? A 1500 kg car starts from rest and drives around a flat 69-m-diameter circular track. The forward force provided by the car's drive wheels is a constant 1300 N Express your answer to two significant figures and include the appropriate units. a= Value Units Submit Request Answer Part B What is the direction of the car's acceleration at t= 13s? Give the direction as an angle from the r-axis. Express your answer to two significant figures and include the appropriate units. 0 = Value Units Submit Request Answer Part C If the car has rubber tires and the track is concrete, at what time does the car begin to slide out of the circle? Express your answer to two significant figures and include the appropriate units. C! Ammo O O ? Value Units

Answer 1

15 00 K elgven diameter = 69m raoliy (r) 34 5 m t 13 S P1300 1300 Car's accelaration anguaficy 500 dt 0.667 but V uta Radtial acelaration V- 0t o67^ 13 = I1.a ms (11-2 ar2 34-5 V at Direcion SO.86 tan 2-68 O 13.26 uhere Ms coficn Alsfrico 8-31 s (8-39 Know we xg4-5X 8 V 21-als O 867 t 121 Seconoly CP Store pleye plea Ral Sir/madan, iI) hela