If three forces are equal and thier resultant force is zero, then measure of its internal angle is

Attach the free body diagram and i will you answer the question.! : d

If the woman is just hanging off the bar then i think each arm will support 350n  and if she accelerates 1400n   

Jenny and fred both play a long note on their trombones. a stationary observer hears the sound increasing and decreasing repeatedly in loudness. which of these must be true? the sound waves from the two trombones have slightly different frequencies.the sound waves from the two trombones have the same frequency.the sound waves from the two trombones have slightly different amplitudes.the sound waves from the two trombones have the same wavelength.the sound waves from the two trombones have slightly different velocities.  lolthe answer is          the sound waves from the two trombones have slightly different frequencies.

The answer is c. winter. hope this ! : )