Calculate the capacitance of a system that stores 4.0 * 10-10 C of charge at 250.0 V. Use C=
AV
O A. 1.0 x 10-7F
O B. 6.2 x 1011 F
O C. 1.6 x 10-12F
O D. 1.0 x 107 F

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.