Physics, 20.03.2021 05:40, 22moneymorgan

a wheelbarrow contains two simple machines-a liver and a wheel and axle. for a certain wheelbarrow , the lever has an efficiency of 72%, and the wheel and axle has an efficiency of 64%. what is the overall efficiency of the wheelbarrow?

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 01:30, ctomo2004

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

Answers: 1

continue

Physics, 22.06.2019 14:10, nikki4367

Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:

Answers: 3

continue

Physics, 22.06.2019 14:40, haileyjones732

How does an observation about an object differ from an inference about that object

Answers: 1

continue

Physics, 22.06.2019 15:00, sswd

Steelhead trout migrate up stream to spawn. occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b. leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?

Answers: 2

continue

Do you know the correct answer?

a wheelbarrow contains two simple machines-a liver and a wheel and axle. for a certain wheelbarrow ,...