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- For item 25: TABLE 1. Determining the Weight of Pans 1 2 Actual value of pan 1, P₁ = 25 grams Actual value of pan 2, P₂ = 24.8 grams L₁ L₂ For item 25: Ⓒ 21.22 20.22 23.22 Ⓒ24.22 28.22 Trial W₁ = 10 g W₂ = 5 g W₁ =15 g W₂ =25 g 14.9 cm 12.6 cm choices for number 25 21 cm 19.8 cm L3 16.2 cm 23.7 cm L₁ 13.4 cm 25.) 11.7 cm For item 26: 26.22 28.37 23.37 P₁ (computed) C25.37 24.22 g P₂ (computed) 24.28 g 24.87 g 26.) choices for number 26 g7.4. A car is driving down a hill that is 2500 feet long and makes an angle of depression of 12°. Find the height of the hill.
- 6. An object of mass 5.0 kg is acted on by the forces F, = 3i + 6j, F2 = -7i - 4j, and F3 = 8j. Calculate the acceleration by using the component method.7. On graph paper, plot a graph of T2 versus L and use the slope to determine a value for acceleration due to gravity. 8. Determine the percentage difference between your experimentally determined value and the accepted value for g. 9. Write a detailed report as per guidelines. 43. One body has a mass of 2 kg and another has a mass of 5 kg. How many times is one body more inert in relation to the other?
- 5. How much time does it take for a rock dropped from a cliff to fall 180 meters? Assume no air drag. (2)Four acrobats of mass 75.0 kg, 68.0 kg, 62.0 kg, and 55.0 kg form a human tower, with each acrobat standing on the shoulders of another acrobat. The 75.0 kg acrobat is at the bottom of the tower. What is the normal force acting on the 75.0 kg acrobat? If the area of each of the 75.0-kg acrobat's shoes is 425 cm, what average pressure (not including the atmospheric pressure) does the column of acrobats exert on the floor? Pa Will the pressure be the same if a different acrobat is on the bottom (Yes or No)?2. A body having a mass of 20 kg is pulled at a uniform speed up a smooth inclined plane having a gradient of 1 in 3. Calculate the force required if it acts (a) parallel to the plane, (b) horizontally.
- 6. A 500 kg object is hanging from a spring attached to the ceiling. If the spring constant in the spring is 900 N/kg, how far does the spring stretch?6. Use Kepler's laws to calculate the mass of the Sun based on data for average Earth's orbit and compare the value obtained with the Sun's commonly listed value of 1.989 × 1030 kg.19. A force of 63.5 pounds makes an angle of 47° 10' with a force of 18.7 pounds. Find the angle made by the equilibrant with the 63.5-lb force. а. 118.7° b. 132.4° с. 147.3° d. 169.8°