Analyze the diagram. Ans: Fnet = 2.0 N Ans: Fnet 0N b. Proof this if it is equal to zero. Write your explanation in box. t20 N 30 N 10 N 40 N 7.ON 10 N Ans: 2.0 N d. 3.0 N 3.0 N 2.0 N 20 N Ans:
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- 7. Refer to Fig.1. What are the Miller indices for the planes shown in (a) and (b), assuming both are simple cubes? (a) (b)Geometric physics q 47For this problem, we want to estimate the answer, so our assumptions may be a little unrealistic. Suppose we want to estimate how much air we need to send to a space station, assuming we cannot recycle air. Suppose four astronauts are in a spherical space station. If each of them typically breathes about 500 cm³of air with each breathe, and take 15 breathes per minute (average resting value): a. What is the volume of air you would need in the space station if these four astronauts stayed for a full year? b. If the density of air is 1.25 kg/m³ and it costs (thanks to SpaceX) a mere $100/kg to send objects to the space station, how much money would the astronaut air supply cost?
- 1 please need help, keep in mind the 7 basic units and watch the sig figs thank you so much.10. Ā = -2â + -3ŷ and B = -4â + -4ŷ. Calculate R = Ã+B. Calculate 0, the direction of R. Recall that 0 is defined as the angle with respect to the +x-axis. A. 49.4° B. 130.6° C. 229.4° D. 310.6°Use DeMorgan's theorem, Boolean algebra, and the method of splitting vinculum to simplify the following expression. Which is the correct answer? Y = A+ B (C + D) Expression A. Y = A + B + C + D Expression B. Y = A+B + C +D Expression C. - - Y = AB + AC+ AD Expression D. Y = A +B +C + D
- Geometric physics q 39The Statue of Liberty in New York City is approximately 305 ft305 ft tall. How many U.S. dimes would be in a stack of the same height? Each dime is 1.35 mm1.35 mm thick. number of dimes: Each dime has a mass of 2.268 g.2.268 g. How much would the stack of dimes from the previous question weigh? mass: g What is the value, in dollars, of the same stack of dimes? value: dollars The 2017 U.S. gross domestic product (GDP) was valued at 19,390,604,000 dollars.19,390,604,000 dollars. How many Statue of Liberty‑height stacks of dimes are needed to match the GDP in value? number of stacks:6 identical spherical water droplets of radius 22 mm combine to form a single spherical droplet Determine the radius of the combined droplet to 3 significant figures. Part A Iνα ΑΣΦ mm