An aircraft as loaded weighs 4,954 pounds at a CG of 30.5 inches. The CG range is 32.0 inches to 42.1 inches. Find the minimum weight of the ballast necessary to bring the CG within the CG range. The ballast arm is 162 inches.

What is a hologram and on what physics principle is it based

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What are waves that require a medium to propagate known as? A. transverse waves B. mechanical waves C. circular waves D. electromagnetic waves

A proton, moving with a velocity of vii⁄, collides elastically with another proton that is initially at rest.

The energy supplied to a speaker is increased. What will happen to the sound the speaker produces? A) The sound will be lower pitch. B) The sound will become a high pitched squeal. C) The sound will be louder or greater amplitude.

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2. How is frequency described in mathematical terms?

During a summer with little rainfall, your house on a hill slope experiences an interval during which your well runs dry. You have to borrow water from your neighbor who lives downslope from you. Why does your neighbor have water when you don't?

If a force does not act parallel to the resulting displacement, what is the effect on the work done by the force?

A stick is a connection of two same - diameter metal rod 5 cm, and a length of both stick is 0,6m. The thermal conductivity of the first rod 92 cal / s. m.°C, and the second stick 50 cal / s. m.°C.