Answer:
Step-by-step explanation:
The work done changes the potential energy
ΔPE = mgΔh = 450(10)(50) = 225,000 = 225 kJ
power is the rate of doing work
P = 225000/5 = 45000 W = 45 kW
X > -4 is the answer if you solve for x.
Answer:
zero
Step-by-step explanation:
Answer:
Số tien:S =150000+(x-10)14000
Step-by-step explanation: