18 Select the correct answer.
The formula for calculating power is work divided by time (power = work-time). What are two ways of stating the same relationship?
work = power + time
work = power x time

time = work + power
time = work power
power = work x time
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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

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.