The seasons on earth are caused by its elliptical orbit around the sun. the seasons on earth are caused by its elliptical orbit around the sun.

a. True

b. False

Which of the following is not a valid equation for describing the behavior of gases? A. (P1/V1) = (P2/V2) B. PV = nRT C. P1V1 = P2V2 D. (V1/T1) = (V2/T2)

Which of the following processes alwaysresults in an increase in the energy of a system? A) The system loses heat and does work on the surroundings. B) The system gains heat and does work on the surroundings.

During a tug-of-war, team A pulls on team B by applying a force of 1390 N to the rope between them. How much work does team A do if they pull team B toward them a distance of 3.68 m

The nuclear mass of 48ti is 47.9359 amu. calculate the binding energy per nucleon for 48ti.

He net force acting on an stationary object is zero. Which best describes the object's velocity? The velocity is zero. The velocity is decreasing. The velocity is increasing. The velocity is constant, but not zero.

An object has an acceleration of 24 m/s/s. How long would it take the stationary object to reach a velocity of 6.8 m/s?

What is normal distribution in statistics?

Which of the following water samples would be considered acidic

A linearly-polarized electromagnetic (EM) wave has an electric field with amplitude 1000 V/m. You hold a a linear polarizer in front of it and rotate the polarizer so that all of the EM wave is blocked. You then rotate the polarizer 30 degree.

Let y'=4 x. find all values of r such that y = rx^{2} satisfies the differential equation. if there is more than one correct answer, enter your answers as a comma separated list.