ColFunPhys1 3.P.027. My Notes | Question Part Points Submissions Used Two cars,
ID: 2112848 • Letter: C
Question
ColFunPhys1 3.P.027.My Notes | Question Part Points Submissions Used
(b) If A is initially 361 m in front of B, how long will it take for B to reach A?
ColFunPhys1 3.P.027.My Notes |
ColFunPhys1 3.P.027.My Notes | Question Part Points Submissions Used
(b) If A is initially 361 m in front of B, how long will it take for B to reach A?
Question Part Points Submissions Used
(b) If A is initially 361 m in front of B, how long will it take for B to reach A?
Two cars, A and B, travel in the same direction on a straight section of highway. A has a speed of 60.3 km/h, and B a speed of 83.6 km/h (both relative to the earth). (a) What is the speed of B relative to A?
(b) If A is initially 361 m in front of B, how long will it take for B to reach A?
(a) What is the speed of B relative to A?
(b) If A is initially 361 m in front of B, how long will it take for B to reach A?
Question Part Points Submissions Used
Explanation / Answer
a) 83.6 - 60.3 =23.3 km/hr
b) let time = t
then 23.3 x t = 361/1000
so t = 0.0155 hr = 0.0155 x 60 = 0.929 minutes