If an uncharged 20 uf circular plate capacitor, with r=0.10 m and separation d = 0.002 m, is hooked up in series with a 100 2 resistor to a 12 v battery. find the magnetic field in the middle of the capacitor as a function of r and t (both inside the radius and outside).

Keneila is attempting to ski down a 20 m high friction free hill for the first time. she has a speed 10 m/s at the top. what is her kinetic energy when she is a the bottom, 20 m ? (a)2500 j (b)9800 j (c)12300 j (d)3100j (e)15000j

Need in all of themmm only answer if you know plsssss

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer