What mathematical formula correctly expresses the relationship between force, mass and acceleration? a. m = f + a b. f = m / a c. a = mf d. f = ma

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

Prompta snowboarder stands at the top of a hill and decides to see if he can increase his speed on his next trip down the slope.describe one thing the snowboarder could do to incrlase his speed on the slope. explain why this would cause his speed toincrease relate one of newton's laws to this problem.

During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?