The Speed Of Sound In Air Is 343 M/S, And The Density Of Air Is 1.21 Kg/M3. If The Displacement Amplitude Of A 440-Hz Sound wave is 10 um , what is its pressure-vatation

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?

Check the following equation for dimensional homogeneity: ⅆ mv=∫t1t2(f⁢cosθ)ⅆt where m is mass, v is velocity, f is force, θ is an angle, and t is time. check that each term in the equation has the following dimensions: [malbec] where you are to choose the coefficients a, b, c.

Awave is propagating from left to right in a medium. the particles in the medium are also vibrating from left to right. what kind of wave does this describe? a. longitudinal wave b. transverse wave c. mechanical wave d. electromagnetic wave