15 J of work were expended moving an 18 kg block. At what velocity did the block move?

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

What are the similarities & differences between a thermistor and a light dependent resistor in physics?