Imagine that a 500 kg box is at rest on a surface. Assume that the surface has no friction that would slow the box down. A person applies a 250 N net force in an eastward direction to push the box. What will be the acceleration?

What are the phases shown in a and d called?

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?