for each scenario calculate the net force mathematically and use compass for the direction. circle balanced or unbalanced. circle yes or no for change in direction. (for the circle parts you can just type which one)

Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?