The sun radiates energy at the rate 3.8 × 1026 W. The source of this energy is fusion, a nuclear reaction in which mass is transformed into energy. The mass of the sun is 2.0 × 1030 kg. Part A How much mass does the sun lose each year? Express your answer using two significant figures. AM = 1.3x1017 kg Submit Previous Answers Part B Review | Constants | Periodic Table Correct Correct answer is shown. Your answer 1.32-1017 = 1.32x1017 kg was either rounded differently or used a different number of significant figures than required for this part. What percentage is this of the sun's total mass? Express your answer using two significant figures. ΜΕ ΑΣΦ ? хахь * √x x x X.10" AM-6.6-10-16 Submit Previous Answers Request Answer × Incorrect; Try Again; 5 attempts remaining Part C Estimate the lifetime of the sun. Express your answer using two significant figures. ΑΣΦ t-15150000000 Submit Previous Answers Request Answer ? × Incorrect; Try Again; 5 attempts remaining years %

The Big Bang that began the universe is estimated to have released of energy. How many stars could half this energy create, assuming the average star's mass is

Fr-223 undergoes alpha decay and produced -8.9x100 kJ/mol of energy in the process. Determine the actual mass (in g/mol) of the produced At-219 nucleus. Express your answer in 2 decimal places. Do not write the units. Mass of Fr-223 = 223.020 g/mol; Mass of He-4 = 4.003 g/mol Mass of proton = 1.0078 amu; Mass of neutron = 1.0087 amu Speed of light = 3.00 x 108 m/s 1 amu = 1 g/mol = 1.66 x 10-27 kg 1 MeV = 1.60 x 10 13 J

Convert and put the following in standard form30 km to m35 cm to m220 Mg to g0.03 mm to m29 ns to s50 Gw to wto m

The mass of the sun is 2.0 x 1030 kg. a. What is the mass of the sun in Tg? ball park 1021 Tg b. What is the mass of the sun in ounces?

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eferences Mailings Tell me Review View La v AaBbCcDdEe AaBbCcDdE AaßbCcDdE E- Av Normal Title No Spacing 1. Number 0.02010 has how many significant figures? a. 2 b. 3 C. 4 d. 5 e. Could be 3 or 4. 2. Which of the following numbers is written in correct scientific notation? a. 56.4 x 102 b. 0.192 x 105 C. 2.34 x 10-34 d. 9.19 x 10-3.1 e. 8.29 x 10-3 3. When a ball is thrown vertically upwards in the air, acceleration the ball experiences: a. Increases. b. Decreases. C. Increases, and then decreases. d. Decreases, and then increases. e. Remains the same. 4. Two cars, A and B, travel in the same direction on a highway. At one moment, car A has a greater velocity than car B. This means at that moment: a. Acceleration of car A is greater than that of car B. b. Acceleration of car A is less than that of car B. c. Acceleration of both cars are equal. d. Only the magnitudes of the acceleration of both cars are equal. e. There is not enough information to draw any conclusions regarding…

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 above

What is the SI equivalent of 34 rad? a. 0.008772 Gy O b.0.34 Sv O c. 0.34 Gy O d. 37,000,000,000 or 1.48 X 10(11) Gy

An brand of fruit snacks claims that each bag of fruit snacks has a mass of25.5g. After weighing three bags, Paolo observes the masses to be 25.5g,25.6g, and 25.7g.How can Paolo describe the accuracy and precision of the first bag hemeasured?a. Accurate, but not preciseb. Neither accurate nor precisec. Accurate and precised. Precise, but not accurate