subject
Physics, 04.07.2019 01:30 jordanfwtm

Ahelicopter winches up an injured person from a boat. the person plus the equipment that must be pulled up with the person has a mass of 109 kg. the efficiency of the motor (the actual work done divided by the electrical energy consumed expressed as a percentage) is 69%. if the height of the lift is 83 m and it is carried out at a uniform rate over 55 s, what is the power expended by the helicopter's winch motor? (give your answer in watts)

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 08:20
The bubba chump shrimp company processes and packages shrimp for sale to wholesale seafood distributors. the shrimp are transported to the main plant by trucks that carry 1,000 pounds (lb) of shrimp. once the continuous flow processing of the shrimp begins, no inventory is allowed in buffers due to spoilage and all of the shrimp must be processed within 12 hours to prevent spoilage. the processing begins at the sorter, where the trucks dump the shrimp onto a conveyor belt that feeds into the sorter, which can sort up to 500 lb per hour. the shrimp then proceed to the desheller, which can process shrimp at the rate of 400 lb per hour. however, after 3 hours and 45 minutes of processing, the desheller must be stopped for 15 minutes to clean out empty shrimp shells that have accumulated. the veins of the shrimp are then removed in the deveining area at a maximum rate of 360 lb per hour. the shrimp proceed to the washing area, where they are processed at 750 lb per hour. finally, the shrimp are packaged and frozen. what is the daily process capacity of the processing plant (excluding the packaging and freezing)?
Answers: 2
question
Physics, 22.06.2019 22:00
Acar is traveling 35 mph on a smooth surface . if a balanced force is applied to the car what happens?
Answers: 3
question
Physics, 22.06.2019 23:30
A6.0-kilogram cart initially traveling at 4.0 meters per second east accelerates uniformly at 0.50 meter per second squared east for 3.0 seconds. what is the speed of the cart at the end of this 3.0 second interval? (1) 1.5 m/s (3) 3.0 m/s (2) 5.5 m/s (4) 7.0 m/s
Answers: 1
question
Physics, 23.06.2019 15:00
Which force always goes against moving objects
Answers: 1
You know the right answer?
Ahelicopter winches up an injured person from a boat. the person plus the equipment that must be pul...
Questions
question
Engineering, 21.08.2020 01:01
Questions on the website: 13722362