- #1
gansta344u
- 25
- 0
A 2.8e3 kg elevator carries a maximum load of 768.1 kg . A constant frictional force of 2.1e3 N retards the elevators motion upward. The acceleration of gravity is 9.81m/s^2. what is the minimum power must the motor deliver to lift the fully loaded elevator at a constant speed of 3.85m/s. answer in units of kW. please i need help on the question. if possible i need both the answer and a clear method on what was done to solve the problem
if u can i need help on a another problem.
a 35.0kg child is in a swing that is attached to ropes 2.20m long. The acceleration of gravity is 9.81m/s^2. Find the gravitational potential energy associated with the child relative to the lowest position when the ropes make a 31.0 degree angle with the vertical. awsner in units of J. please both method and answer would be appreciated
if u can i need help on a another problem.
a 35.0kg child is in a swing that is attached to ropes 2.20m long. The acceleration of gravity is 9.81m/s^2. Find the gravitational potential energy associated with the child relative to the lowest position when the ropes make a 31.0 degree angle with the vertical. awsner in units of J. please both method and answer would be appreciated