Physics, 12.12.2019 06:31 celinarubio77

An airplane has an effective wing surface area of 19.4 m2 that is generating the lift force. in level flight the air speed over the top of the wings is 67.0 m/s, while the air speed beneath the wings is 51.0 m/s. what is the weight of the plane?

Answers: 1

Show answers

Another question on Physics

Physics, 21.06.2019 14:10

Amachinist needs to remove a tight fitting pin of material a from a hole in a block made of material b. the machinist heats both the pin and the block to the same high temperature and removes the pin easily. what statement relates the coefficient of thermal expansion of material a to that of material b? a) the situation is not possible, heating block b will shrink the hole in the material as the material expands with increasing temperatureb) material b has the same coefficient of expansion as does material ac) material b has a negative coefficient of expansion and a has a positive coefficient of expansiond) material a has a greater coefficient of expansion than does material be) material b has a greate

Answers: 1

Answer

Physics, 21.06.2019 17:30

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

Answers: 3

Answer

Physics, 21.06.2019 22:30

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

Answers: 1

Answer

Physics, 22.06.2019 13:50

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.

Answers: 1

Answer

You know the right answer?

An airplane has an effective wing surface area of 19.4 m2 that is generating the lift force. in leve...

Questions