Steve

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Retired aerospace engineer b 1941. Build and fly in small aircraft. Always interested in interesting math/engineering ?s Currently living in Arlington, WA USA

發問 0 回答 34

2017-11-16 11:11 am

Not sure if I am right on this physics question.?

2017-05-13 3:49 pm

physics question?

2017-02-12 3:55 am

Yo-yo Physics Question? I only have one try left! Please help me...?

2017-02-07 4:19 am

Yoyo Physics Question? I am really confused?

2017-02-06 5:01 am

Physics Pulley with Inertia?

2017-01-06 4:38 am

How would you solve this equation? What is the answer?

2016-12-19 4:32 am

physics periodic/harmonic motion help?

2016-12-04 6:48 pm

Physics spring problem.?

2016-09-11 8:03 pm

Write an expression for the velocity of a rocket as a function of time if ti's acceleration is represented by a(t) = .12t^2 + 3?

2016-07-31 5:01 pm

Physics Easy 10 points ?

2016-07-17 6:29 pm

Two cylindrical wires are made of the same metal. If wire 2 has 8 times the length and 10 times the diameter of wire 1.?

2016-06-04 7:01 pm

A level Physics Question!?

2016-03-02 10:57 pm

Argument in Physics Clas?

2016-02-17 7:49 pm

If I speed up audio 3x faster, will it finish playing in a third of the time?

2016-02-10 7:49 pm

A piano string vibrates producing a frequency of 262 Hz and has a wavelength of 1.3 m. What is the speed of the sound waves?

2015-10-16 2:04 am

An object has a mass of 38 kg,,,?

2015-09-23 1:47 am

If you weigh 670 N on the earth, what would be your weight on the surface of a neutron star?

2015-09-05 12:00 am

A sprung gun at ground level fires a tennis ball at an angle of 58°. The ball lands 11 m away. What was the ballʹs initial speed? using cal?

2015-08-28 8:46 pm

A driver going 40km/h breaks suddenly and stops his car over 10m. If he stops it from 80km/h with the same deceleration, what distance...?

2015-08-17 7:34 pm

M1 = 38kg and m2 = 15kg, coefficient of kinetic friction between mass m2 and the inclined plane is μk=0.19?

2015-05-03 9:39 pm

What is the nature of light reflection from a plane mirror?

2015-02-18 11:45 pm

2014-07-03 5:02 am

Physical problem?

2014-06-22 4:43 pm

what's 1/2 and ounce in drops?

2014-01-09 10:43 pm

how fast are radio waves?

2012-03-12 11:37 pm

Physics stress/strain problem?

2012-03-09 11:53 pm

A pendulum consists of an object of mass 1.64 kg that hangs at the end of a massless bar, a distance 2.01 m?

2009-12-02 2:56 am

Need help with the area of an isosceles triangle?

2009-06-03 2:48 am

The Doppler Effect physic question, Plz help!!!?

2009-04-14 3:19 am

Physics problem (Work/Power)?

2009-03-29 5:27 pm

Plz help, i don't know how to get the direction in this question...?

2008-03-26 4:01 am

calculate change in length?

2007-01-27 3:43 am

Why are airplanes always white?

2007-01-05 12:19 am

What is net force?

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