How do you find displacement when all you have is time with no velocity, and then in order to find velocity you have to have displacement but you don't have that either?

Which set of numbers best describes the displayed weights on a digital scale that shows each weight to the nearest half pound?

The molar masses for 235UF6 and 238UF6 molecules are 0.349 kg/mol and 0.352 kg/mol, respectively. If uranium hexafluoride acts as an ideal gas, what is the ratio of the root-mean-square speed of 235UF6 molecules to that of 238UF6 molecules if the

Express 4,560 m in km. Remember to keep the same number of significant figures in your answer as was in the original measurement.

Two students are having a discussion about the Moon. The first student claims that we always see only one side of the Moon and that the other side is the "dark side." This student also further asserts that the dark side of the Moon is always dark.

Saturn has a radius of about 9.0 earth radii, and a mass 95 times the Earth's mass. Estimate the gravitational field on the surface of Saturn compared to that on the Earth. Show your work.

2. How is frequency described in mathematical terms?

During a summer with little rainfall, your house on a hill slope experiences an interval during which your well runs dry. You have to borrow water from your neighbor who lives downslope from you. Why does your neighbor have water when you don't?

If a force does not act parallel to the resulting displacement, what is the effect on the work done by the force?

A stick is a connection of two same - diameter metal rod 5 cm, and a length of both stick is 0,6m. The thermal conductivity of the first rod 92 cal / s. m.°C, and the second stick 50 cal / s. m.°C.

you can produce a sound by plucking a string or by blowing in a pipe. how are these two ways different?