07:1 g of matter is converted into energy. Then how much energy is liberated?
Q: James with a mass of 78 kg runs up the stairs that is14 m above the ground level. He produces 1,884…
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Q: Power is defined as the energy used divided by the work the work done times the distance of motion…
A: According to question we need to define power .
Q: what is the kinetic energy of a 1900 pound car traveling at 40 meters per second
A: Given data The mass of the car is given as m = 1900 lb. The velocity of the car is given as v = 40…
Q: A certain household has consumed 250 units of energy during a month. How much energy is this in…
A: Total units = 250 1 unit of energy is up to one kWh 1 unit = one kWh
Q: A 50 - meter rope with a mass of 30 kg is dangling over the edge of a cliff. Ignoring friction, how…
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Q: A man and his wife bought a 16.00 oz steak that contains 569 Calories and cooked this steak for…
A: Steak ( food )
Q: How much joules of energy is needed to change the speed of a 1,900 kg sport utility vehicle from…
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Q: What makes heat rise? Explain.
A:
Q: A pitching machine uses 122J of energy to throw a baseball with a mass of 0.145kg at a speed of…
A: The given data are: Win=122 Jm=0.145 kgv==36 m/st=0.4 s Here, Win denotes the input energy, m…
Q: Kinetic Energy: (a) What is the kinetic energy of a 23 kg dog that is running at a speed of 8 m/s?
A: Given: mass,m= 23 kg velocity,v = 8 m/s
Q: 1) A power plant's marginal fuel cost is the rate of shift in fuel cost relative to produced power.…
A: please see the next step for solution
Q: A Car of 1100 Kg mass changes the speed from 4 m/s to 6 m/s. What is the work done ( in Joules) by…
A: According to the work-energy theorem, Here, KEi and KEf represent the initial and the final kinetic…
Q: A 5 kg object is moving with a speed of 4 m/s at a height of 2m . What is the kinetic energy?
A: Given Data : The mass of the object is given as m = 5Kg. The speed of the object is given as v = 4…
Q: a) A human can burn about 100 food calories by running 1 mile. If you can run 10 minute miles, how…
A: Note :- Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the…
Q: What is the kinetic energy of an 8kg object moving at 7 m/s?
A: Given data: Mass (m) = 8 kg Velocity (v) = 7 m/s Required: The kinetic energy (KE)
Q: Which of the following statements are true? a) Energy can be created and destroyed b) Energy…
A: To find: The correct statement amongst the following.
Q: When people sleep, their metabolic rate is about 2.6 × 10-*C/(s-kg). How many Calories does an 81-kg…
A: Write the expression for the energy. Here, rm represents the metabolic rate, m represents the mass,…
Q: Suppose a man does 35.5 kJ of work with an efficiency of 4.95 % a. How much food energy, in…
A: Work done is Efficiency is Note:Find:Food energy.
Q: Heat changes ice to water. How do we know we can get the ice back again? The ice can melt slowly.…
A: For a process to be reversible, process has to be quasi-static (extremely slow).
Q: Two railroad cars, each of mass 5819kg and traveling 108km/h in opposite directions, collide head-on…
A: Mass of each car, m = M = 5819 kg Velocity, v = V = 108 km/h = 108×5/18 m/s = 30 m/s Thermal energy,…
Q: What is the kinetic energy of a .5 kg toy car moving at a rate of 1.4 m/s
A: Given that, Mass of the toy car (m)= 0.5 kg Velocity of the toy car (v)= 1.4 m/s We know that,…
Q: Which could use up more energy A. Running a distance of 1.4 kilometers of 7.4 m/s which uses up…
A: distance = speed x time Energy = power x time
Q: A certain household has consumed 250 units of energy during a month. How much
A: Given:- The certain household has consumed 250 units of energy in a month Find:- How much energy is…
Q: A cyclist moving with a speed of 8m/s has a kinetic energy of 1500 J.what is the mass of the cyclist
A: Speed, v=8m/s Kinetic energy, E=1500 J Let mass of the cyclist is m kg. Then, E= 1/2 mv² 0r, m=2E/v²…
Q: What is the kinetic energy of a car that is traveling at 17.3 m/s if it has a mass of 1,345 kg?…
A: Speed of car (v) = 17.3 msMass of car (m) = 1345 kg
Q: What is the kinetic energy of a mass of 4 KG moving with velocity 8 m/sec
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Q: How does human harness the heat beneath ground? Explain
A: Given: How does human harness the heat beneath ground? Explain
Q: 1). what is the speed of a 14 kN body at rest then falling from a height of 238 m. 2). How much…
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Q: An object of mass 2000g has a speed of 8 m/s and moves a distance of 4m. What is its kinetic energy…
A: Given: mass 'm' = 2000 g = 2 kg speed 'v' = 8 m/s
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