Asound wave travels through a column of hydrogen at stp. assuming a density of rho = 0.0900 kg/m3 and a bulk modulus of β = 1.42 ✕ 105 pa, what is the approximate speed (in m/s) of the sound wave?

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

The material that keeps its new shape after it is stretched is called?

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.