Question

SA1. What is the moment of inertia of a solid cylinder which is to be rotated like a wheel about an axis running lengthwise through its center, if the cylinder has a mass of 1,.25 kg, a length of 3.40 m, and a radius of 0.40 m? 一01rary? // 2. mrzltot ; Σ nǐ rf nn-O-40wn 2 ニア XI 25x0402 :01 ㎏.m2 0.05 ol0 SA2. You have a meter stick which balances at the 50 cm mark. You attach a mass of 100 grams to the 10 cm mark, and an unknown object at the 80 cm mark: the meter stick remains balanced. What is the mass of the unknown object? 0.1058 0 Part1 Short Answer total. Write your answer in the blank space provided, and then show al Include the correct number of significant figures and the correct notati Answer all of questions. These are worth 5 points each, 50 points all work in the space provided. d then show correct notation for al answers. mup question. What is the mass in kg of a solid bal of aluminum (denaity ie 2700 kg/m) of radius 0.25 m? Answer in scientific notation. Dm 2100 9lm SA2. Female bobcats have an average mass of 6.8 kg, and slightly more than 45% of all female bobcats have masses in the range from 6.4 to 7.2 kg. What is the approximate standard deviation of the mass of a female bobcat? SA3. The coefficient of static friction between a certain 620 kg car's tires and the road on which it is driving is 0.401. What is the magnitude of the friction force if the car is rounding a corner of radius 450 m at a speed of 16 m/s? Assume that the road is flat.

Answer 1

SA 2. 2. I 0.1 Kg 1 SA : 100 50-80) 0 3 133.33 gram m: 100x 3 Sclv to