Explain the differences between the live, neutral and earth wires – and their uses – when connected to a kettle. (6marks)

Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease

Which notation is used to represent an alpha particle? a. b. c. d.

How many times did thomas edison mess up the light bulb