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Physics Chapters 11 and 14 Written Homework Be sure to show all your work, particularly for odd-numbered questions. If you end up looking at a solution please cite the source of your information. 11 β 10: A person of mass 75 ππ stands at the center of a rotating merry-go-round platform of radius 3.0 π […]
Physics Collisions in Two Dimensions Questions . Under what conditions is momentum conserved? How do you quantitatively characterize elastic and inelastic collisions? Are collisions between steel balls 100% elastic? How do you graphically represent vectors that have errors? How do you propagate the errors in vectors? Calculate a percent difference between your measured angle and […]
Discrete Math Suppose you want to create a path between each number on Pascalβs Triangle. For this exercise, suppose the only moves allowed are to go down one row either to the left or to the right. We will code the path by using bit strings. In particular, a 0 will be used for each […]
Physics Problem 1: What happens, in decibels (dB), when we multiply sound intensity by 10? Your answer here: the sound intensity changes by ______dB Write down the equation that shows how this works Problem 2: If we quadruple (multiply by 4) the intensity of a sound, what is the change in decibels? Your answer here: […]
Physics Be sure to show all your work, particularly for odd-numbered questions. If you end up looking at a solution please cite the source of your information. 10 β 26: The angular acceleration of a wheel, as a function of time, is πΌ = 4.2π‘2 β 9.0π‘, where πΌ is in πππ/π 2 and π‘ in […]
Physics Still using the force vs. time graph you created in Part I, compare the force necessary to keep the block sliding compared to the force necessary to start the slide. How does your answer compare to your answer to Preliminary Question 3? The coefficient of friction is a constant that relates the normal force […]
Physics What is focal plane (a) First (b) Second (c) Third 0)+61.1 Q3: A plane mirror is placed vertically facing due north. An arrow pointin) this mirror. In which of these direction will the arrow point in this image (a) North-east (19..South-east (c) South-west (d) Nort Q4: The focal length eira convex mirror is 12 […]
Physics Lab 4 – Resistivity Instructions & Data Sheet Resistance of a resistor is modeled by the equation (1) Where R is the resistance (β¦), L is the length (m), A is the cross-sectional area (m2), and Ο is a constant dependent upon the material called the resistivity (β¦-m). The length, thickness and material of […]
Physics An object is in free fall. At one instant, it is traveling at 46 m/s. Exactly 3.7 s later, what is its speed? The acceleration of gravity is 9.8 m/s? Answer in units of m/s.
Physics Newtonβs second law 1. How does the acceleration obtained from the experiment compare with the value you found using Equation 6 (Use percentage error and chi-squared method to compare) 2. Report the acceleration obtained from your experiment along with its error. 3. Report the initial velocity of the glider obtained from your experiment along […]
