16. The driver of a speeding empty truck slams on the brakes
and skids to a stop through a distance d. (a) If the truck
carried a load that doubled its mass, what would be the
truck's “skidding distance"? (b) If the initial speed of the
truck were halved, what would be the truck's "skidding
distance"?

A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.

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

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?