Answer:
15.3 m/s
Step-by-step explanation:1) Find the gravitational potential energy using the equation :


2) Then use the equation for kinetic energy to solve for the velocity:


Answer: so you do 5+8, then get 13. 13-5=8
Step-by-step explanation:
Answer:
14n+3
Step-by-step explanation:
Answer:
45
Step-by-step explanation:
2a+3b=15, multiply everything by 3
3(2a+3b)=3(15)
6a+9b=45
New pump = (Old Pump * Total) / (Old Pump - Total)
New pump = (14 * 6) / (14 -6)
New pump = (84) / (8)
New Pump = 10.5 hours