<u>Answer:</u>
a. the error is that he wrote 0.05 instead of 0.2
0.148835 ≈ 0.2
b.
0.2 = 2 × 0.1
0.2 = 2 × 10⁻¹
The mass is about 2 × 10⁻¹ kg
Answer:
48,58
Step-by-step explanation:
Let The speed of the west bound train be x
Let the east bound train be x+10
The speeds can be calculated as follows
2(2x+10)= 232
4x + 40= 232
4x= 232-40
4x= 192
x= 192/4
= 48
Hence the speedof the west bound train is 48
The speed of the east bound train is 48+10
= 58
A-(b/c) if a=-2, b=8 c=4
-2-(8/4)= -2+2=0
Answer: 0
