d d x = 0 Shown in the figure are three point masses and their positions with d = 5 [meters]. The mass on the left is 3 [kg], the mass on the right is 14 [kg]. If the center of mass of the system is at x = 1.0[m], calculate the mass of the particle located on the origin. %3D
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- Question 1: Complete the calculations of the table based on the data given below Test No Weight (N) H, (cm) H2 (cm) P.E. (initial) () P.E. (final) () Loss in P.E. U) 50 25.0 1 1 1.2 50 26.2 3 1.4 50 27.8 4 1.6 50 29.4 Question 2: Complete the error calculations If the weight used in the experiment is having an uncertainty of 1.4± 0.01N, the initial height is measured, with an uncertainty of 50 ±0.05 cm and the final height with an uncertainty of 25.3 + 0.05 cm. (Potential energies are calculated by the formula weight x height) Calculate, 1. The absolute uncertainty in the calculated value of Initial Potential Energy (in Joules) = 2) The absolute uncertainty in the calculated value of Final Potential Energy (in Joules) = Question 3: Conclusions The energy due to position is the and energy due to motion is the of the body. If the height is doubled, 2.In the equation of motion, F = ma, a indicates A. Acceleration of largest particle B. Acceleration of the center of mass of the system C. Gravitational force D. None of the aboveYou purchased 5.2kg of apples from a store. You noticed that they used the smallest division of 4.2 g to weight them. What is the relative error of this weight measurement as a percentage. You want to calculate the area of your dorm which is in a rectangular shape. You measure the length and the width of the room as L= 4.8+(-.01) m, W= 4.4+(-.01) m. What is the absolute error in the area in m^2 units?
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