subject
Physics, 10.12.2020 22:00 eylinglez3ovm16v

What is the efficiency of a pulley that can lift a 250N treasure chest 13 m when 150 N of force is used to pull the rope 25 m???

ansver
Answers: 2

Other questions on the subject: Physics

image
Physics, 21.06.2019 22:40, mtassy85
Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?
Answers: 2
image
Physics, 22.06.2019 07:00, andrespiperderc
Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points
Answers: 3
image
Physics, 22.06.2019 11:00, tdahna0403
Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •  
Answers: 2
image
Physics, 22.06.2019 16:30, sti192
The air in an automobile tire with a volume of 2.60 ft3 is at 70°f and 21 psig. determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. assume the atmospheric pressure to be 14.6 psia and the temperature and the volume to remain constant. the gas constant of air is ru = 53.34ft⋅lbflbm⋅r(1 psia144 lbf/ft2) = 0.3704 psia⋅ft3lbm⋅r the amount of air that must be added to raise the pressure is lbm
Answers: 3
You know the right answer?
What is the efficiency of a pulley that can lift a 250N treasure chest 13 m when 150 N of force is u...

Questions in other subjects: