How much energy is produced when the sun converts 1 kg of hydrogen into helium?
Q: 15000J of energy
A: Given the car is in motion. Then the energy associated with it is equal to its kinetic energy.
Q: how much energy does it emit per second
A: Given the surface area of the black body radiator (A)= 2.4 temperature of the object (T)= 1,405
Q: The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be…
A: Given data :- N0 = 135 gT = 3.t1/2 ; t1/2 being the half life of isotope
Q: What is the frequency of a light wave with a wavelength of 12000m?
A: Given data: A light wave Wavelength (λ) = 12000 m Required: Frequency (f)
Q: FM radio waves travel at a speed of 300,000,000 m/s and may have a frequency of 100,000,000 Hz. What…
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Q: Radium-226 decays by emitting an alpha particle. A 0.5-gram sample of pure radium-226 emits…
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Q: The half-life of carbon-14 is 5730 years. If 6.25% of the original sample remains, how old is the…
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Q: The half life of Thorium is 75,000 years. How much of the substance will be left after 3 half lives
A: Let initial amount of substance is m. The half life is T= 75000 years.
Q: What is the wavelength of a wave that has a frequency of 1 Hz and travels at 300,000 km/s?
A: Given information: Here, f is the wave’s frequency, and v is the wave’s speed.
Q: A blackbody radiator in the shape of a sphere has a surface area of 1.3. If the temperature of the…
A: Hey there, I have taken all the values in S.I units, since no units are mentioned in the problem.…
Q: What is the frequency of a light wave that has a wavelength of 2146 nanometers?
A: Given data: A light wave Wavelength (λ) = 2146 nm = 2146×10-9 m Required: The frequency (f)
Q: a submarine sends a sonar signal, which returns from another ship 12 seconds later. how far away is…
A: Data provided: Total time taken to returns sonar signal (t) = 12 seconds Speed of sound in seawater…
Q: If a wave has a wavelength of 2 m and a frequency of 500 Hz, what is its speed?
A: Given data The wavelength of the wave is given as λ=2 m. The frequency of the wave is given as f =…
Q: An aircraft can fly 1,330 miles with the wind in 5 hours and travel the same distance against the…
A: An aircraft can fly 1,330 miles with the wind in 5 hours and travel the same distance against the…
Q: The speed of light is 300,000,000m/s. What is the frequency of microwaves with a wavelength of 175…
A: The solution is as follows:-
Q: What is the specific heat of an object that weighs 15g and changes temperature from 30 degrees C to…
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Q: A blackbody radiator in the shape of a sphere has a surface area of 3.5. If the temperature of the…
A: According to the Stefan's law, the power of the radiation emitted is, P=σAT4 Here, σ is the Stefan's…
Q: A 3,808 mile flight headed west experienced a tailwind and made the trip in 7 hrs. The same return…
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Q: A blackbody radiator in the shape of a sphere has a surface area of 2.1. If the temperature of the…
A: P=AσT4 Let the surface area and temperature of blackbody be in SI units.
Q: If a mass of 2kg starts at a velocity of 1m/s and ends at a velocity of 2 m/s, how much energy did…
A: Given that, Mass=2 kgInitial velocity, Vi=1m/sFinal Velocity, Vf=2m/sKinetic Energy=12mv2 in joule
Q: Gold must be heated to 1064 C to be melted down to be put into molds. A 1 kg brick of gold is melted…
A: Melting point of gold T2=1064 C0=1337 K Mass of the gold brick m=1 kg Heat required to melt the…
Q: Carbon-14 has a half-life of 5730 years. If you start with a sample of 24 Kg, how many Kg of…
A: Given data: Half life (T1/2)= 5730 years Initial quantity (N0) = 24 kg Time (t) = 17190 years…
Q: If 3000 Joules was used to heat up 100 grams of water, how much would the temperature of the water…
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Q: At one atmosphere, a cylinder with movable piston contains 2,000 milliliters of gas. If the pressure…
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Q: Radio waves travel at the speed of light: 300,000 km/s. What is the wavelength of radio waves…
A: Given that - Speed of light Frequency To Find - We have to determine the wavelength of the radio…
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- The speed of light (and radio waves) is 300,000 km/s. What is the wavelength (in meters) of a radio wave that has a frequency of 240 MHz?A hot-air balloon has a volume of 3,368 m3. The density of the air outside the balloon is 1.188 kg/m³, and the density of the hot air inside is 0.885 kg/m3. How much weight can the balloon lift?A block of tungsten changes in temperature from 15 ˚C up to a temperature of 125 ˚C when 7,500,000 Joules of energy are added to it. What is the mass of this tungsten block in grams and in kilograms?
- A 3,472 mile flight headed west experienced a tailwind and made the trip in 7 hrs. The same return flight headed east experienced a headwind and made the trip in 8 hrs. How fast was the plane's speed and the wind's speed?What is the frequency, in MHz, of a radio wave with a wavelength of 20 m?At zero degrees Celsius and one atmosphere (STP), the volume of a gas is 1,000 milliliters. If the temperature is increased to 25 degrees Celsius and the pressure is doubled, what is the new volume of the gas?