What percent of energy is used for transportation in Russia
Q: About how many cups of coffee you make with 569,600 J of energy
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Q: What is the kinetic energy of a 1400-kg sports car travelling down the road with a speed of 30 m/s?
A: Car mass (m) = 1400 kg Car speed (v) = 30 m/s Kinetic energy (K.E.) = ?
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A: Given: The power required to microwave is 1248 W. The time required to heat the frozen dinner is 5.0…
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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: A 1,100 kg horse is walking at 3.0 m/s. How much energy does the horse have?
A: Recall KE=12mv2 Where m= mass of object v= speed of object
Q: What is the kinetic energy of a 25 kg dog that is running at a speed of 8.7 m/s (about 19 mi/h)?
A: The formula for kinetic energy is given as follows:K=12mv2 K is the kinetic energy , m is the mass…
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A:
Q: In a sunny location, sunlight has a power density of about 1 kW/m2 . Photovoltaic solar cells can…
A: The input power given to a solar cell is given by the equation,…
Q: A conveyor belt uses 5 newtons [N] of force to move a 34 kilogram [kg] box to a velocity of 2.05…
A: We know As force is constant, Work done would be : W=Force.displacement=F.d=5dAnd as box reaches a…
Q: A personal watercraft and rider have a combined mass of 378 kg. What is their kinetic energy (in J)…
A: Given data, Total combined mass of watercraft and rider , m = 378 kg velocity of watercraft and…
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A: Given: The power output of the lightbulb is 125 W. The running time of the bulb is 1 hour.…
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A: Given The Work done by the crane is W = 350 J. The time up to which work is done is t = 6 s. The…
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A: Given data: The force on car is F=15000 N. The distance traveled by car is d=120 m.
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A: Power: Work done per unit time is called power. It's unit is J/s or watt(W)
Q: A piano with a mass of 137 kg is lifted 10 m above the ground in 5 s by a crane. What is the power…
A: mass of piano m = 137 kg height lifted h =10 m time t=5s
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A: Write the expression for the electrical energy. E=P×t Here, P is the power and t is the time.
Q: Suppose a man does 34 kJ of work with an efficiency of 5.05 %. How much food energy, in…
A: Write the given values with the suitable variables. W=34 kJη=5.05%=0.0505Here, W is the work done…
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A: Work done is Efficiency is Note:Find:Food energy.
Q: Pushing a crate up a 3 m long ramp results in 6000 J of work. If the ramp's efficiency is 50%, how…
A: Given: d = 3 m Wo=Output work = 6000 J e = 50%
Q: What is the kinetic energy of a 27 kg dog that is running at a speed of 7.9 m/s (about 18 mi/h)?
A:
Q: A cow is being lifted to the top of a cliff. The cow has a mass of 450 kg and the height of the…
A: The potential energy required to lift the mass m at height h is given by, PE=mgh Given : Mass m=450…
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A: Given, mass of the object (m)= 240 kg vertical distance (h)= 0.3 m time (t) =…
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Q: What is the energy required to accelerate a 1655 kg car from rest to 25 m/s?
A: According to work energy theorem, the net work done on an object is equal to change in kinetic…
Q: A crane lifts a 320 kg crate up a height of 6.5 m. The crane uses 17 kJ of energy to lift this…
A: in above question we to find the efficiency of crane.
Q: A 75 kg sprinter accelerates from 0 to 8.0 m/s in 5.0 s. What is the metabolic energy, in kJ…
A: From work energy formula we know, Metabolic energy = change of K.E…
Q: You place a mug with a mass of 2.5 kg on a table that's 36 in. above the ground, what is the mug's…
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Q: A book on a shelf has potential energy of 200J and two times the mass of a book next to it. What is…
A: Given data The gravitational potential energy for the book is given as PEh = 200 J. The…
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A: i) The mileage of the car, which use gasoline as fuel, is 27.5 mi/gal. ie., using 1 gallon of…
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A: in India average use of electricity per day = 5.7 Kwh / day 1 pound of coal to generate one kWh of…
Q: What is the kinetic energy of a 15 kg dog that is running at a speed of 7.0 m/s (about 16 mi/h)?
A: Given mass m = 15 kg speed v = 7.0 m/s we have to find out kinetic energy
Q: A young man exerted a force of 9,000 newtons on a 1200 kg stalled car but was unable to move it. How…
A: Applied force by the man F = 9000 N Mass of the car is m = 1200 kg
What percent of energy is used for transportation in Russia?
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