3)

if the pressure of a sample of gas is doubled at constant temperature, what happens to the volume of the gas?

a)the volume doubles. b)the volume is halved. c)the volume quadruples. d)the volume remains the same.

An input force of 7 n is applied to a machine with a mechanical advantage of 1.75. what is the maximum the machine could lift? 12.25 n7n7.25 n26.2 n

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented. b)scientists had not completely finalized their results, which took 30 years. c)cigarettes were cheaply available and media channels were very inefficient. d)cigarette manufacturers were trying hard to bring an alternative into the market

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical