How the uranium bomb design was called? O implosive lens design O gun design segment design O dragon design

Q: Relate convection in fluids to density changes

A: Convection is heat transfer due to a density differential within a fluid,as the waters temperature…

Q: The inside of Ferry's black body is blackened but nickel polished outside, Why?

A: A blackbody has a spectrum which depends only on temperature. The easiest way to achieve this is to…

Q: The oooffi niont of the linotie fr frioti

A:

Q: Which of the following masses is the largest? 1.8 ng 9.0 g 4.3 Mg 2.3 mg 6.2 Gg…

A: GIven masses are : 1.8 ng , 9 g , 4.3 Mg , 2.3 mg , 6.2 Gg , 7.4 kg To find : Largest mass ?

Q: On August 10, 1972, a large meteorite skipped across the atmosphere above the western United States…

A:

Q: How did Archimedes use mirrors to burn up invaders' ships?

A:

Q: Where did the heaviest elements originate?

A: The heaviest elements originate when massive stars implode and explode thus creating a supernova.

Q: On August 10, 1972, a large meteorite skipped across the atmosphere above the western United States…

A: a)       Loss in KE = 0.5*(3.8*106)* (19*103)2                 =6.859*1014J

Q: The light of distant stars is affected by: A) Interstellar Dust B) The Earth's Atmosphere C) Both A…

A: The light of distant stars is affected by Interstellar Dust and Earth's atmosphere.

Q: Which is evidence that supports the dynamo theory? A) Earth's outer core contains liquid that…

A: Which is evidence that supports the dynamo theory? A) Earth's outer core contains liquid that…

Q: Moon dust is dangerous to astronauts because     it is highly radioactive     it will explode…

A: Moon dust is dangerous to astronauts because

Q: Prompt: You are on the Sensor and Data Acquisition engineering team for the new NASA space rover…

A: Given : The first task of the drone was to travel 4.6 m and to collect the sample. But it traveled…

Q: berapakah percepatan suatu benda jika kecepatannya tetap.

A: It is a question asked in Indonesian language about an object moving with constant velocity

Q: Mercury has an average density of about 5.4 g/cm and a magnetic field. Normal rock has a density of…

A: In this question we have to explain the high density and Magnetic field of Mercury. Please give…

Q: The Chandra X-Ray Observatory must operate in space because X-rays do not penetrate Earth's…

A: Answer ------- X-rays do not penetrate Earth's atmosphere. Because

Q: MAIN SCALE 4 8 9 4 5 6. 7 5 10 15 20 25 VERNIER SCALE 3

A: Total reading = main scale reading + vernier scale reading × vernier constant. Vernier reading…

Q: It is widely accepted that a meteor impact 65 million years ago caused a mass extinction of life on…

A:

Q: What are magic numbers?

A: Magic numbers in nuclei are the number of nucleons in nuclei such that the nucleus is completely…

Q: The Apollo astronauts placed a reflector on the Moon’s surface. Astronomy students at Cal-Tech…

A: We know, d=s×t   Here, the signal was received 2.6 seconds later. It is the time taken by the signal…

Q: Difference between (N-type) and (P-type)

A: Given:Difference between (N-type) and (P-type)Now,N-Type Semiconductoe:To increase the number of…

Q: 3. Several years ago, NASA conducted the Lunar CRater Observation and Sensing Satellite…

A: Let V1 be the velocity of the rocket, V2 is the velocity of the spacecraft, the mass of the moon as…

Q: Part c 22.84 incorrect and 26.5 incorrect part d please try again formula can anyone else

A: (c)

Q: what correlation between mass and flight distance is there, if any?

A:

Q: The radioactive potassium-40 isotope decays to argon-40. A 2.97 x 10^9 year old sample of moon rock…

A: Since the potassium will remain 18% of the original value in 2.97x 109 year.                Now from…

Q: How are the elements heavier than iron produced?

A: Concept- Elements heavier than iron are produced because mainly reason of neutron capture inside…

Q: An object is lunches at avelocity of 20meter per secand in direction make an angle 25degree upward…

A: Given  Initial speed u=20m/s Angle θ=250

Q: (20)The half-life of Carbon-14 is 5700 years.  If a 16 gram sample is found in a rock layer known to…

A: N(t)=No(0.5)t/h  h= half life N(t)=16 g t=42000 years h=5700 years we have to find No

Q: On August 10, 1972, a large meteorite skipped across the atmosphere above the western United States…

A: Given: The mass of the meteorite is M=4.3×106 kg The speed of the meteorite is u=16 kms=16×103 m/s

Q: radioactive element Carbon-14 has a half-life of approximately 5730 years. A fossil is measured to…

A: Given  Half life time T1/2 = 5730 years  Remaining C -14 =( 80/100) N0

Q: Another piece of the Canyon Diablo Meteorite has been found. Its volume is 84,771 mL. Assuming it…

A: In this question we have to find the resemblance in the given situation. Please give positive…

Q: Why the planets do not twinkle?

A: Planets are much closer to the earth and are seen as extended sources. So, a planet may be…

Q: owlin

A:

Q: An asteroid with a diameter of 13km and a mass of 2.9 × 10'►kg impacts the 15 earth at a speed of…

A: mass

Q: What is the outer diameter of the hollow cylinder shown in the image?

A:

Q: Which of the following statements are NOT true about NASA's earliest days? NASA's early days were…

A: NASA's early days were marked by spectacular failures and wild rocket malfunctions. It is partially…

Q: Selection from the A to D the graph that best corresponds to the variable y and x in each of the…

A: In the given question, We have to choose appropriate graph.

Q: Which type of the following solar system will not have solar tracking mechanism Parabolic trough…

A: PTC is the parabolic trough system is the solar concentrating device that requires solar tracking…

Q: What ancient evidence was found for a spherical Earth? (This question will show a checkbox next to…

A: To determine,what ancient evidence was found for a spherical Earth.

Q: Q yDerive agrereul equatjon ofo Calulake the copa intana d acouxi f Capu cution

A:

Q: Calculate the time constant of the RC-circuit depicted here

A:

Q: Carbon-14 is a radioactive element with a half-life of about 5730 years. Carbon-14 is said to decay…

A: The formula for the decay constant is: Substitute the known values and solve.

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.