Determine the kinetic energy of a baseball thrown at 100.0 mph. The mass of a baseball is 144.3 g.

Q: If the mass of a truck is doubled-for example, when it is loaded-by what factor does the kinetic…

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Q: What is the independent and dependent variable? Does the mass of a bouncy ball affect how much…

A: Dependent variable: A variable which depends on the other variable say, independent variable. It is…

Q: Use the References to access important values if needed for this question. In the laboratory a…

A: Given Mass = 13.9 g Temperature difference = 40-24.3 = 15.7°C Heat (Q)  = 28.2 J

Q: If the mass of a truck is tripled-for example, when it is loaded-by what factor does the kinetic…

A: The mass of the truck is tripled then the kinetic energy will be, From the equation, KE=12mv2where,…

Q: Mass of iron 64.8973 g Mass of water 61.9272 g Initial temperature of iron (boiling water Tm) 98.0…

A: Used thermal equilibrium concept.

Q: A student eats pasta to fuel her for the track competition the next day. As converted to energy,…

A: Law conservation of energy states that energy can neither be created nor destroyed.

Q: In metric terms, a typical automobile averages 5.72 km/L of gasoline burned. Gasoline has a heat of…

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Q: The nutritional information label for food items provides the calorie content and other nutritional…

A: Given: Donuts Composition:  Carbs = 32 g Fats = 12 g Proteins = 2g and Energy Value: Carbs = 17 KJ/g…

Q: A 152.0 g ball traveling at a speed of 2.30 m/s has a kinetic energy of Answr J

A: The kinetic energy of the ball is given by: where m = mass of the ball = 152.0 g v = velocity of…

Q: which of the following has the greatest amount of potential energy  A. a ball at the top of a hill…

A: answer:- This question is answered by using the simple concept of potential energy which is directly…

Q: Classify each process as exothermic or endothermic.(a) dry ice subliming (changing from a solid…

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Q: The reaction of hydrogen and oxygen gases produces 18.0 g of water and releases 68.2 kcal of heat.…

A: Endothermic reactions can be defined as the reaction which involves the intake of heat while…

Q: km Calculate the kinetic energy of a 1.7 x 10" kg airplane moving at a speed of 0.20

A: Given :- mass of airplane = 1.7 × 104 kg                speed = 0.20 km/s  To calculate :- kinetic…

Q: How many times more kinetic energy does the dump truck have than the car?

A: Given: Mass of sub compact car =1.6×103 Kg Mass of dump truck =1.70×104 Kg Speed of both truck and…

Q: Assuming the density of the wine to be 1.0 g/mL, what is the caloric content due to the alcohol…

A: Given: The heat of combustion of ethanol=-1367 kJ/mol The wine contains, by mass 12.1% ethanol The…

Q: In metric terms, a typical automobile averages 5.76 km/L of gasoline burned. Gasoline has a heat of…

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Q: What kind of kinetic energy is most often produced from chemical energy in chemical reactions?

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Q: Consider the example of the block released from the spring and then travelling up the circular ramp.…

A: Nonconservative forces are the force of friction or the air resistance force. These forces takes…

Q: A sample of water with a specific heat of 4.186 joules/gram is cooled from 45 degrees celsius to 25…

A: Given that, specific heat of water = 4.186 joules/(gram.oC) And the sample of water is cooled from…

Q: N2 (g) + 3 H2 (g) 2 2 NH3 (g) + 100 KJ

A: Le Chatelier principal explained the effect of concentration, temperature and pressure on…

Q: What is the SI unit of energy? List some other common units of energy.

A: The capacity to do work is called energy.

Q: If the mass of a truck is tripled-for example, when it is loaded-by what factor does the kinetic…

A: 1) mass is tripled  2) mass becomes one fifth

Q: Solve this

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: How many joules are equivalent to 1.50 x 103 calories?

A: To calculate: 1.50 x 103 calories = ? Joules

Q: What is the kinetic energy (in J) of a 2240-pound automobile traveling at 67.8 km per hour? x 10 J

A: For an Automobile, Mass, m = 2240 pound  Velocity = 67.8 km hr-1  Kinetic Energy, Ek = ?

Q: We heat a 25-g sample of metal from 10 °C to 85 °C, 1082 J of energy is added to it by heat.…

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Q: equivalent

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Q: What is the specific heat of an object that weighs 15 grams and changes temperature from 30 degrees…

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Q: A 26.9 g rock rolls down the hill at a speed of 81.9 m/s. What is the Kinetic energy of the rock? (…

A: given mass of rock(m) = 26.9*10-3kg speed of rock(v)= 81.9 m/s kinetic energy (KE) =?

Q: The temperature of a sample of water changes from 10°C to 20°C when the water absorbs 100 calories…

A: In this question, we want to calculate the mass of the sample.  How we can calculate, I will give…

Q: 67.3 g sample metal with specific heat of 0.246 J/g degrees celsius is heated by 1693 J of energy.…

A: Given data: Mass of metal (m) = 6.3 g, Specific heat of metal (c) = 0.246 J/g o C, Energy (E) = 1693…

Q: Specific Heat Mass of metal 42.156 g Mass of cups and water 60.082 g Mass of cups 10.811 g Mass of…

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Q: A 1467 kg1467 kg car is traveling down the road at 81.0 km/h.81.0 km/h. While traveling at this rate…

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Q: What is the kinetic energy of a 63.4 gram bullet moving at a velocity of 318 meters per second?…

A: Given values are, Mass ,m =63.4 g =0.0634 kg Velocity,v= 318 m/s

Q: The energy change that occurs when an object moves from one position to another due tothne force of…

A: According to the question,we need to determine When an object moves from one position to another due…

Q: A 88.0 g ball traveling at a speed of 2.30 m/s has a kinetic energy of J

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Heat produced by combustion of a 3.000 g food sample was –9643J. How much heat, in Joules, was…

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Q: Which change will lead to a larger change in the kinetic energy of an object,doubling its mass or…

A: Ek      =   ½mv2

Q: Is the solution of ammonium chloride in water an exothermic or endothermic process.

A: When ammonium chloride is dissolved in water, it produces an endothermic reaction, i.e. energy is…

Q: Mass of iron 64.8973 g Mass of water 61.9272 g Initial temperature of iron (boiling water Tm) 98.0…

A: Given:  Specific heat of iron = 0.450 J/g K Specific heat of water = 4.184 J/g K Specific heat is…

Q: The specific energy and density of gasoline is -47.3 MJ/kg and 716 kg/m3, respectively. What is its…

A: Specific energy: It is the energy required for one unit of mass. Energy density: The amount of…

Q: m Calculate the kinetic energy of a 67. g bullet moving at a speed of 499.

A: Given : mass of bullet = 67. g             speed = 499. m/s  To be calculated :- kinetic energy (J)

Q: If a television requires 150 kJ/h to run, how many hours can the television run on the energy…

A: 1 gallon of gasoline has energy equal to 33.7 kWh 1kWh = 3600000 J/s 33.7 kWh = 33.7 X 3600000 J/s =…

Q: convert 531 J to calories

A: Energy can be expressed in different units such as Joules , ergs ,calories , electron volts ,…

Q: What is the heat joules required to raise the temperature of 25 grams of water from 0 degree C to…

A: We have to calculate the heat in joules and calories require to raise the temperature of water.…

Q: 8.0-kg rock is dropped from a height of 3.0 m. At what height is the rock's kinetic energy twice its…

A: As we know potential energy =mgh

Q: A typical candy bar contains 281 food Calories, which is 281 kcal. How many kilojoules are contained…

A: Given that : Energy provided by one candy bar = 281 kcal. We have to calculate the kilojoules of…

Q: The kinetic energy of a 2000.0 g bowling ball traveling at 8.0 m/s is A) 1.20 x 103 B) 64 C) 11.9 D)…

A: