Explanation:
8km/hr---→2.22m/s
a=v-u/t
0-2.22/0.4
5.55m/s²
Vo= 331+0.6T
360=331+0.6T
360-331=0.6T
29=0.6T
0.6T/29
T=6/290 so change it to simplest form and us formulas good luck
Answer:
3500J/s
P=W/T
42000×10×5÷60
=3500J/s