How much energy is produced when the sun converts 1 kg of mass into 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: A radio transmitter broadcasts at a frequency of 155kHz. What is the wavelength of the wave? ( speed…
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Q: Radium-226 decays by emitting an alpha particle. A 0.5-gram sample of pure radium-226 emits…
A:
Q: How much energy is released when 3 kg of mass is converted into energy?
A: As per the special theory of relativity mass and energy are interconvertible. Energy can be…
Q: A certain walking person uses energy at an average rate of 300 All of this energy has its ultimate…
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Q: Light travels at a rate of approximately 186,000 miles per second. A light-year is the distance…
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Q: If the speed of light is given as 299,792,458 m/s and the wavelength is 560nm. What is the frequency…
A: Given: The speed of the light is 299792458 m/s. The wavelength of the light is 560 nm.
Q: What is the kinetic energy, in Joules, of a 10.3 kg object that is moving with a speed of 10.4 m/s?
A: According to the given data m=10.3.kg v=10.4m/s We need to find kinetic energy
Q: A space shuttle orbits Earth at a Speed of 21,000 km/hr. How far it travel in 5 hours?
A: Given Speed (v) = 21000 km/hr time (t) = 5 hr Distance travelled in time ' t ' Distance (d) =…
Q: How much energy is used to light a 45 Watt light bulb for 10 hours?
A: Given, P=45 Watt t = 10 Hours We know that, E = P*t = (45 Watt) *(10 h) = 45 Watt ((10 h) (60…
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 ratio of the speed of one motor turning at 1,750 revolutions per minute to the speed of…
A: Speed of first motor = 1,750 rpmSpeed of second motor = 3,500 rpmRatio = ?
Q: What is the mass of an object that creates 33,750 J of energy by traveling at 30 m/s?
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Q: hat is the mass of an object that is positioned 5 meters above the ground and possessess a…
A: we know that gravitational potential energy = 2534 joule position h= 5 m t
Q: A car is traveling to San Antonio. It takes the car 4 hours to travel a distance of 200 miles.…
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Q: A passenger jet flies from one airport to another 1,293 miles away in 2.7 h. Find its average speed.…
A: Given data *The given distance is s=1293 miles=1293 miles×1609.344 m1 mile=2.08×106 m *The given…
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: A radio transmitter broadcasts at a frequency of 119kHz. What is the wavelength of the wave? ( speed…
A: Given, The frequency of the broadcast signal is, f = 119 kHz = 119×103 Hz speed of the light in the…
Q: The value of the 5 in the number 594,631 is how many times larger than the value of the 5 in the…
A: To determine The value of the 5 in the number 594,631 is how many times larger than the value of the…
Q: A 15 kg rifle fires a 100 gm bullet at 1,750 m/s. At what speed does the rifle kick back?
A: Using momentum conservation principle Initial momentum=Final momentum In this situation both rifle…
Q: A very heavy car is moving down the road and has 1,000,000 joules of kinetic energy. if the car has…
A: Given data: A very heavy car moving down the road Kinetic energy (KE) = 1,000,000 J New mass (m')…
Q: What is the mass of an object that is traveling 20 m/s and has 12,000 J of kinetic energy?
A:
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: An airplane is built to withstand a maximum acceleration of 6 g’s If its mass is 1,200 kg, what…
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Q: A passenger jet flies at a constant speed from one airport to another 2,350 miles away in 3.8 hours.…
A: Given,
Q: A space shuttle orbits earth at a speed of 21,000km/hr. How far will it travel in 5 hours?
A: Given data: Speed v = 21000 km/hr Time t=5 hours
Q: A comet is traveling in outer space with a velocity of 2000 m/s. How long will it take to travel…
A: Given : velocity of comet , v = 2000 m/s Distance to travel , d =300,000 m
Q: How long would it take in seconds to travel a distance of 2000 meters if you are traveling at a…
A: Write the expression for time taken, and substitute 2000m for d, and 25m/s for v in the below…
Q: A train moves at a constant speed and travels 6 miles in 4 minutes. What is the speed in miles per…
A: Given, train moves at a constant speed Distance travelled = 6 miles Time taken to travel 6 miles = 4…
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
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- A car with a mass of 1000 kilogram is moving at a speed of 10 meters per second. What will be the kinetic energy of the car?The distance from Earth to the Sun is 92,960,000 miles. How many feet is between the Earth and the Sun?A light year is defined as the distance that a beam of light travels in one year. Convert a length of one light year to a length in miles. Hint: speed of light c=299,792,458 m/s.
- 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 512 MHz?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 rocket is traveling in outer space with a velocity of 12,000 m/s. How long will it take to travel 3,000,000 meters?
- 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?Carbon-14 is a radioactive element with a half-life of about 5730 years. Carbon-14 is said to decay exponentially. The decay rate is 0.000121 . We start with 1 gram of carbon-14. We are interested in the time (years) it takes to decay carbon-14.What is the frequency, in MHz, of a radio wave with a wavelength of 20 m?