Each of the Space Shuttle's solid rocket motors burns 680,400 kilograms of propellant in 2.5 minutes. How much propellant does each motor burn in 30 seconds?

Q: In the past, salmon would swim more than 1130 km (700 mi) to spawn at the headwaters of the Salmon…

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Q: A hot water heater in a residential home runs for an average of 2.5 hours per day with a heat energy…

A: This question is based on electrical energy consumed in home or domestic connection.

Q: An ice chest contains 6.05 kg of ice at 0 °C. Given a latent heat of fusion of water of 3.34 * 105…

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Q: An ice cube at 0 degrees C is dropped into a container with 0.5 kg of water at 20° C. The specific…

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Q: A pound of body fat stores an amount of chemical energy equivalent to 3,500 Cal. When sleeping, the…

A: A pound of body fat is equivalent to 3500 calorie.  time required =total energy/ rate of energy loss

Q: A hot water heater in a residential home runs for an average of 3.3 hours per day with a heat energy…

A: To calculate the annual cost of hot water for the given electric hot water heater, we need to…

Q: Firewood is a traditional biomass energy source. To heat a 1500 sq.ft. house in Canada we need about…

A: Energy density of firewood=4.5 kWh/kg But efficiency of it=60% So energy produced by 1kg of firewood…

Q: The figure below shows four small beads, each with a positive charge, at the corners of a square.…

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Q: A microwave oven has a power requirement of 1,248 W. A frozen dinner requires 5.0 min to heat on…

A: Given: The power required to microwave is 1248 W. The time required to heat the frozen dinner is 5.0…

Q: a) A hot water heater in a residential home runs for an average of 3 hours per day with a heat…

A: This question is based on electrical energy consumed in a domestic connection. The SI unit of energy…

Q: A painter drops a 3.09 kg can from a height of 10.0 m. What is K (in Joules) at a height of 2.84 m?

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Q: Suppose that the average U.S. household uses 14600 kWh14600 kWh (kilowatt‑hours) of energy in a…

A: Given: mass of car mc = 1470kg            height lifted hc =11.3m            energy E = 14600 KWh…

Q: What is the Kinetic Energy of a particle on the Surface of the Sun (5000 deg K)?

A: Here given that the body temperatures of the Sun is 5000°K. We have to calculate the kinetic energy…

Q: Large meteors sometimes strike the Earth, converting most of their kinetic energy into thermal…

A: Given data: Mass of meteor is, m=109 kg. Velocity of meteor is, v=25 km/s=25000 m/s. Temperature…

Q: Suppose a person eats 2000 Kcal per day. Using the facts that 1 Kcal is approximately 4.2 Kj (a…

A: Joule is unit of energy or work. And Watt is the unit of power, which is energy per unit time. So,…

Q: A 2,000kg car is moving at 30m/s hits a 1,500kg car moving at 12m/s going in the same direction. The…

A: The given values are, m1=2000 kgv1=30 m/sm2=1500 kgv2=12 m/s

Q: An ice chest contains 3.34 kg of ice at 0 °C. Given a latent heat of fusion of water of 3.34 * 105…

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Q: A 68-kg woman is planning to bicycle for an hour. If she is to meet her entire energy needs while…

A: A 68-kg woman is planning to bicycle for an hour. If she is to meet her entire energy needs while…

Q: The box of a well-known breakfast cereal states that one ounce of the cereal contains 103 Calories…

A: The unit of energy can be converted from kilocalories to joule by multiplying with 4186 .   The…

Q: The International Space Station, which has a mass of 4.65×105 kg, orbits 255 miles above the Earth's…

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Q: How much energy is required to move a 1300 ka ohiect from the Farth's surface to an altitude twice…

A: Write the given values of the problem- mass(m) m=1300 kg

Q: escape velocity

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Q: A 45-kg person drinks 5.6 x 102 g of milk, which has a caloric value of approximately 3.0 kJ/g. If…

A: Here we will use dimple simple formula for work that is mgh

Q: A hot water heater in a residential home runs for an average of 2.2 hours per day with a heat energy…

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Q: If the escape speed of earth is 12km/s, what would be its mass in kg (write in 4 significant…

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Q: One ounce of a well-known breakfast cereal contains 99 Calories (1 food Calorie = 4186 J). If 2.4%…

A: In this case, 2.4 % of the potential energy converted. U=2.4%Q=0.024 Q   The expression for the…

Q: 7.19 kg bowling ball moves at 3 m/s. How fast must a 2.25 g Ping-Pong ball move so that the two…

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Q: m Location 1 has a gravitational force of 9.82 . Location 2 has a gravitational force of 9.80 . A…

A: When an object is dropped it is accelerated towards the center of Earth. This acceleration is caused…

Q: As you will learn, carbon-14 (14C) is an unstable isotope of carbon. It has the same chemical…

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Q: While you were "sweating" your chemistry test, water vapor evaporates from your body, absorbing…

A: The latent heat of vaporization of water is  L = 2.26×10^6 J/Kg

Q: A hot water heater in a residential home runs for an average of 2.5 hours per day with a heat energy…

A: Solution-Given thatAverage running hour of water heater per day (t)=2.5 hours=2.5×60×60 seconds=9000…

Q: What is the source of motive energy in a rocket? (A) Fuel (B) Propellant

A: Propellant is the source of motive energy in a rocket

Q: A person consumes about 2600 Cal a day. 1 Cal = 4186 J, and 1 kWh = 860 Cal. What is this energy in…

A: Write a given values of this question. E=2600Cal1cal=4186J1kWh=860Cal

Q: A 12kg object originally at rest suddenly explodes into three masses: 2kg, 4kg and 6kg.the 2kg piece…

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Q: The Lunatik is a military spacecraft on extended patrol in the vicinity of the planet Eqrgp and its…

A: Given data: Distance between Egrqp and moon is d=3.03×108m Egrqp's mass M=5.39×1024 kg Moon's mass…

Q: An oxygen molecule, with mass of 2.626x10-26 kg has kinetic energy of approximately 5.89x10-21 J.…

A: Given data: Mass (m) = 2.626 × 10-26 kg Kinetic energy (KE) = 5.89 × 10-21 J Required: The velocity…

Q: If mars has a mass of 6.4 x 1023 kg and a radius of 3.39 x 106m. What is the escape speed needed…

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Q: how much energy does the body need to burn to reach the fever temperature?

A: Given, Mass of man, m=80Kg Specific heat, C= 3470J/Kg K Normal body temperature, T1=37oC=310.15K…

Q: At room temperature, an oxygen molecule, with mass of 5.31x10^-26 kg typically has a kinetic energy…

A: The expression for find velocity of oxygen molecule is KE=12mv2v=2KEm

Q: How many joules of energy is transferred by 3kw?

A: Given: The power is P=3 kW. The expression for energy (E) in joules is: E=P

Q: Approximately how much energy is contained in one gallon of gasoline?

A: We are required to find the energy contained in one gallon of gasoline.

Q: A group of Loyola students decided to depart from Earth after graduation to find work on Mars.…

A: Model for the velocity of the shuttle:Steps used Step 1 = we have to calculate the acceleration…

Q: An asteroid closely passes the Earth at a range of 17200 mi and relative speed of 7.8 km/s. The…

A: v=Velocity of asteroid=7.8 km/s=7800 m/sS=Specific gravity of asteroid=3ρw=Density of water=997…

Q: An ice cube has a mass of 66 g and is initially at a temperature of 0°C . The ice cube is heated…

A: mass of ice = 66 g initial temperature = 0 degree C Final temperature = 100 degree C mass of boiling…