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
Answer:
Is it bad that I'm a senior and have no idea how to do this?
Step-by-step explanation:
Answer:
B. a. Given; b. Substitution Property; c. Subtraction Property of Equality; d. Division Property of Equality; e. Symmetric Property of Equality
Step-by-step explanation:
Given expression,

By substituting x = 8,


By subtraction property of equality,

Division property of equality,

By symmetric property of equality,
Answer:
it's 4
Step-by-step explanation:
Sadly, 14% of US smokes that’s just adult