054 SC 130 Physical science quiz five • Name:

Laboratory 10 optical depth laboratory data background rectangle major grid lines axes x-axis and y-axis linear regression line data points as circles text layers Laboratory 10 optical depth of water image dist i (cm) object dist o (cm) y-axis labels 0 4 9 13 18 22 26 31 35 39 44 x-axis labels 0 4 7 11 14 18 21 25 28 32 35

Equation of the line: y = 1.22x + 1.28

  1. ____________________ Theory states that the optical depth of the water should be 1.33. That is, the theory predicts a slope of 1.33 for the data on the xy scattergraph above. What is percentage difference from the theoretical value of 1.33 for the experimentally determined slope?
  2. ____________________ How good is the agreement for the experimental slope, that is, how well does the data support the theory (weak, good, strong, excellent, perfect agreement)?
  3. ____________________ A man jumps out of the back of a moving pick up truck and has to run a couple steps in the same direction as the pick up truck in order to remain on his feet. Which one of Newton's laws is the reason he is moving in the same direction as the truck as he lands on the ground?
  4. ____________________ A baseball bat exerts a force of 100 Newtons (kg m/s²) on a baseball as the bat hits the ball. Calculate the force of the baseball on the bat at this instant of contact.