207133 2 27 2558 1. (Systemic pressure) (Systolic pressure) (Diastolic pressure)

Systemic pressure = systolic pressure/ diastolic pressure

(mmHg) 120/80 a) (N) (cm2) ? b) 30.0 cm ? 1 ,060 kg/m3 13,600 kg/m3

2. 685 N 497 N a) b) 1.05 3. (aneurysm) aorta 1.0 cm 3.0 cm ? 120 cm3/s

4. 2 D (pressure gradient)

5. a) B flat 466 Hz 1 ? b) 50.0 s ? c) ultrasound 5.0 MHz ? 6. .. 2004 Purdue 30 nm (30 x 10-9 m) 2.10 x 10-16 g 2.00 x 1015 Hz 2.87 x 1014 Hz ?

7. 2.0 m 60 dB 20 oC Io = 1.0 x 10

-12 W/m2 a) 0.05 ms 20.0 cm 0o 90o b) dB?

8. Doppler 0.10 m/s 5.0 MHz 1,570 m/s ?