Class t I Help Homework 3 Begin Date: 10/20/2017 12:00:00 AM- - Due Date: 11/3/2
ID: 1769718 • Letter: C
Question
Class t I Help Homework 3 Begin Date: 10/20/2017 12:00:00 AM- - Due Date: 11/3/2017 11:59:00 PM End Date: 12/23/2017 12:00:00 AM (13 %) Problem 2: A battery-operated car utilizes a 120.0 V battery with negligible internal resistance C A Find the charge, in coulombs, the batteries must be able to store and move in order to accelerate the 730 kg car from rest to 26 m/s, make it climb a 1.95 x 102 m high hill while maintaining that speed, and then cause it to travel at a constant 26 m/s by exerting a 4.6 x 102 N force for an hour Grade Summarv Deductions Potential 096 100% cosO cotan asin acos0 atan acotansinh0 cosh0 tnh cotanh0 sin0 tan0 ( Submissions Attempts remaining: 5 090 per attempt) *1 2 3 detailed view END Degrees Radians DEL CLEAR Submit Hint I give up! Hints: 0% deduction per hint. Hints remaining:3 Feedback: 0%-deduction per feedback.Explanation / Answer
d = v t = 26 * 3600 = 93,600 m
Total energy E = q V = 1/2 m v2 + m g h + F d
q = [1/2 m v2 + m g h + F d] / V
= [1/2 * 730 * 262 + 730 * 9.8 * 195 + 460 * 93600] / 120
charge q = 3.72 * 105 C