A student investigates the extension of an elastic band for different forces. (a) (i) List the laboratory apparatus that the student needs for this investigation.

If you quadruple the temperature of a black body, by what factor will the total energy radiated per second per square meter increase? 1,024 64 16 4 256 submit answer

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.