The force exerted on a test charge by an electric field with a strength of 8.18E4 N/C is 4.095E-5 N. What is the charge of the test charge? Round to the appropriate number of sig figs, and put your answer in scientific notation, just like these examples: 2.55E-6 or 6.009E6

What if? if the temperature near the cliff suddenly falls to 0°c, reducing the speed of sound to 331 m/s, what would the initial speed of the rock have to be (in m/s) for the soccer player to hear the sound of the splash 2.90 s after kicking the rock?

Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm

Is the ability of one substance to dissolve in another.