Answer:
Explanation:
80(0) = 2(15) + (80-2)v
v = - 0.38 m/s
+70 km/h north
energy friction
Answer: a) Mr = 2.4×10^-4kg/s
V = 34.42m/a
b) E = 173J
Ø = 2693.1J
c) Er = 0.64J/s
Explanation: Please find the attached file for the solution