A ray diagram is shown. Which statement best describes the diagram?

The force that opposes the motion of one surface as it moves across another surface is referred to as

A neutral atom may contain 8 protons

A circuit contains a 12 volt battery and two 3 ohm bulbs in series. Calculate the current

A container of volume 0.6 m^3 contains 5.3 mol of argon gas at 24°C. Assuming argon behaves as an ideal gas, find the total internal energy of this gas. The value of the gas constant is 8.31451 J/mol * K. Answer in units of J.

What is the acceleration of a 1000kg car subject to a 550N net force?

Suppose s (t) is the position of an object moving along a line at time t is greater than or equal to 0. What is the average velocity between the times t=a and t=b? What is the instantaneous velocity at t=a?

Estimate how long it would take one person to mow a football field using an ordinary home lawn mower. suppose that the mower moves with a 1-km/h speed, has a 0.5-m width, and a field is 360 ft long and 160 ft wide. 1 m = 3.281 ft.

Badri makes the table below to review the factors that affect the electric force between objects. Which change will correct the error in Badri's table?

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

A weather balloon is inflated to a volume of 2.2 x 10^3 L with 374 g of helium. What is the density of helium in grams per liter?