The resistance of the variable resistor is set to 2000 Ω. The potential difference across the variable resistor is 3.2 V. Calculate the resistance of the thermistor.

In what direction does the medium move relative to the direction of the wave? explain.

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n