The graph shows the percentage of electricity produced by nuclear energy in various countries from 1960 to 2015.  (a) Based on the information in the graph, describe the trend in the percentage of electricity produced using nuclear energy in France between 1980 and 1990.  (b) Based on the information in the graph, identify the most recent year in which Germany produced a greater percentage of its electricity from nuclear energy than did the

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: The jet stream is a strong wind current that flows across the United States, as shown in the…

A: Given: A plane flew 2,280 miles in 4 hours. Against the same wind, the trip took 5 hours. We need to…

Q: chase went for a hike. he left at 8:00am. at 10:00am, he took a half hour rest. chase returned home…

A: Given Data :Chase went for a hike at 8:00 am and at 10:00 he took a half hour rest and then chase…

Q: The half-life of carbon-14 is 5730 years. If 6.25% of the original sample remains, how old is the…

A:

Q: A certain walking person uses energy at an average rate of 300 All of this energy has its ultimate…

A:

Q: This convenience store and filling station supplies 25,560 gallons of gasoline per day to central…

A: Given that- 1 gallon of gasoline is = 125,000 BTU 25,560 gallons of gasoline is equivalent to =…

Q: A jet flights with a speed of 319 m/s. If the jet’s engine has a power of 1,221,762 W, what is the…

A:

Q: rojected 2043 population is million nd to one decimal place as needed)

A:

Q: On a caterpillar map ,all distance are marked in millimeters . The caterpillar map shows that the…

A: Distance between two milkweed plants = 4,012 millimeters  To find : distance between two milkweed…

Q: Calculate the number of kilowatt-hours (kW-hrs) consumed in two days by a 260-Watt incandescent…

A: Given data The power of the bulb is given as P = 260 W. The time interval is given as t = 7 hrs.…

Q: built a raft out of 8 logs, each with a diameter of 30 centimeters, length of 2 meters, and mass of…

A: Given:-  The number of the logs is N = 8.  Each have a diameter d = 30 cm  Length L = 2 meter  The…

Q: A radioactive isotope has a​ half-life of about 17 ​years, which means that if it starts with 1 kg…

A:

Q: The average US home uses 50,000,000 Joules of electrical energy per day. How many Joules will…

A:

Q: A 30 caliber rifle bullet is reported to weigh 120 grains. You have a dozen of these bullets in your…

A: Given,

Q: When 2 dozen tins are placed in a pail, the mass is 4560 grams. When 18 tins are placed in the same…

A:

Q: Suppose that a newly discovered element called centium has three isotopes that occur in nature.…

A: The newly discovered element centium has three isotopes centium-200, centium-203 and centium-209.…

Q: Iodine-131 has a half-life of 8 hours. If a solution containing 5 grams of iodine-131 is injected…

A:

Q: A 3,808 mile flight headed west experienced a tailwind and made the trip in 7 hrs. The same return…

A:

Q: An air conditioner uses 10,925 J of energy to run, but only 6,122 J of energy is used to heat or…

A: energy efficiency= output/input   output=6122 J input=10925 J

Q: A 2,646 mile flight headed west experienced a tailwind and made the trip in 6 hrs. The same return…

A:

Q: The half-life of plutonium-239 is 24,300 years. If a nuclear bomb released 12 kg of this isotope,…

A:

Q: A fire grew to 1500kW in 125 seconds, what is the growth rate

A: Fire growth = 1500 kw time =125 s

Q: If 60% of U.S. petroleum use goes for transportation, and 1% of this goes for buses, how much oil…

A: The amount of petroleum used in US is 60%, and x2 be the amount of petroleum used in buses 1%.The…

Q: The energy used by a 100 watt light bulb in 1 hour i

A:

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: A zombie horde is running towards you. You push the zombie horde with a school bus. The school bus…

A: Given data The work done on bus is W= 1250000 J The displacement by bus is d= 250 m

Q: A car produces 31.2 tons of carbon dioxide over a 4-year period. Find its carbon footprint (tons of…

A: Given, A car produces 31.2 tons of carbon dioxide over a 4-year period. Carbon footprint = tons of…

Q: A jet flights with a speed of 282 m/s. If the jet’s engine has a power of 1,829,680 W, what is the…

A:

Q: Suppose you use 57 kWh (kilowatt hours) of electricity at $0.35 per kWH, 91 kWh at $0.26 per kWh,…

A: We use 57 kWh of electricity at 0.35$ per kWh So cost of 57 kWh of electricity is 57×0.35$=19.95$ We…

Q: An air conditioner uses 11,260 J of energy to run, but only 6,428 J of energy is used to heat or…

A:

Q: If your car uses 1 gallon of gas every 25 miles and you want to go on a 400-mile road trip. How much…

A: The car uses 1  gallon for every 25 miles. The distance of the path covered for the road trip is 400…

Q: A space shuttle carting humans and science experiments contains an air ratio similar to (but not the…

A: The volume content of the mixture of N2 and Ar is total cargo volume of the air:

Q: A submarine sends a sonar signal, which returns from another ship 7 seconds later. How far away is…

A:

Q: A candy bar contains 309 Food calories of energy. How much is this in J?

A: The relation between calories and Joule is: 1 calorie= 4.18 Joules

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.