Answer:
網站有中、英文版本，也有繁、簡體版，可通過每頁左上角的連結隨時網站有中、英文版本，也有繁、簡體版，可通過每頁左上角的連結隨時
Explanation:
Answer:
B) 3.33 m/s²
Explanation:
Given that,
The initial velocity of Juan, u = 10 m/s
Final velocity of Juan, v = 60 m/s
Time taken, t = 15 s
The acceleration is given by the relation
a = v-u/t m/s²
Substituting in the above equation
a = 60 - 10 / 15
a = 3.33 m/s²
Hence, the acceleration of the Juan is, a = 3.33 m/s²
Answer: 0.28 m/s
Let
M1 = mass of Steve
V1 = velocity of Steve
M2 = mass of can
V2 = velocity of can
Because momentum is a conserved quantity:
P1 - P2 = 0
So
M1*V1 - M2*V2 = 0
78.0kg(V1) - 2.5kg(8.7m/s) = 0
78.0(V1) = 21.75
V1= 0.28 m/s
