The binding energy of an electron to a proton (i.e., hydrogen atom) is 13.6 eV. The loss of mass in the formation of one atom of hydrogen is _____________ a) 2.42 X 10-35 Kg b) 3.34 X 10-35 Kg c) 4.58 X 10-35 Kg d) 5.19 X 10-35 Kg
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The binding energy of an electron to a proton (i.e., hydrogen atom) is 13.6 eV. The loss of mass in the formation of one atom of hydrogen is _____________
a) 2.42 X 10-35 Kg
b) 3.34 X 10-35 Kg
c) 4.58 X 10-35 Kg
d) 5.19 X 10-35 Kg
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- 1There is relatively little space between atoms in solids and liquids, so that the average density of an atom is about the same as matter on a macroscopic scale - approximately 10^3 kg/m^3. The nucleus of an atom has a radius of about 10^-5m of that of the entire atom, and conatins nearly all mass of the atom. a) What is the approximate density, in kilograms per cubic meter, of a nucleus. b) One possible remnant of a supernova, called a neutron star, can have the density of a nucleus, while being the size of a small city. What would be the raduis, in kilometers, of the neutron star with a mass 10 times that of the Sun? The radius of the Sun is 7*10^8 m and its mass is 1.99*10^30 kgQuestion 1 Make the conversion of 2.4 Km/h2 to m/s2. O 6.67 E(-4) 1.85 E(-4) 1.85 E(-7) 0.67 1.5 Question 2 In solving a physics problem you end up with m in the numerator and m/s in the denom units for your answer are O m/s O m^2/s O m O 1/s Question 3
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- A proton, which is the nucleus of a hydrogen atom, can be modeled as sphere with a diameter of 2.4 fm and a massof 1.67 x 10^-27 kg. Determine the density of the proton.The 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:A high school student visits the local electronics store to purchase supplies for her science project. The student finds what she needs and stacks her planned purchases on the check-out counter. Her stack of purchases consists of a 400 gram robotics kit, a 300 gram multi-meter, and a 200 gram soldering tool, as shown in the figure below. The entire system is at rest - and remains at rest. SOLDERING TOOL 200 grams MULTI-METER 300 grams ROBOTICS KIT 400 grams Check-out Counter 15. The soldering tool has a weight of A. 1960 N. В. 200 N. С. 2.00 N. D. 200 kg. E. 1.96 N. 16. The multi-meter pushes down on the robotics kit with a force having magnitude A. 2.94 N. B. 2940 N. С. 29.4 N. D. 4.90 N. E. 500 kg. 17. The robotics kit pushes down on the check-out counter with a force having magnitude A. 8.82 N. B. 400 N. C. 3.92 N. D. 900 kg. E. 8820 N.