Q: 11) A 800kg car moving at 20m/s hits a 1200kg parked car head on. How much mechanical energy is…
A: In a completely inelastic collision, the moving body hits the other body and then both the bodies…
Q: A 60-hp electric motor (a motor that delivers 60 hp of shaft power at full load) that has an…
A: The expression for the electric power drawn by each motor and their difference,
Q: Calculate the time taken 60 w bulb to consume 3000 J of energy
A: Introduction : In this question we are provided with value of power and energy consumed . With…
Q: A large household air conditioner may consume 13.0 kW of power. What is the cost (in $) of operating…
A:
Q: a typical adult uses about 2500 calories of energy each day. Use this fact to calculate the typical…
A: The expression for find average power is P=Et
Q: Assuming that the diet of an average Canadian consists of 2,000 food calories per day (1 food…
A: Given data :- diet of an average person Canadian = 2,000 food calories per day 1 food cal = 4200 J…
Q: Find the time taken 48 w bulb to consume 2400 J of energy?
A:
Q: Cite an example of the Law of Conservation of Energy and explain
A: Cite an example of the Law of Conservation of Energy and explain
Q: Find work done F=12 N 14-5m
A: Given data: Force (F) = 12 N Displacement (d) = 5 m Required: Work (W)
Q: Because of the heat, can work be done?
A: Yes, absolutely the heat can do work.
Q: 25. An engine is 99% efficient. How much work could an engine that runs at 888 J produce? O 800 J O…
A: Efficiency of the engine, Heat supplied to the engine,
Q: Where does the work done go during the stretching of a wire?
A: Step 1Work done by a body is the measure of energy transfer when a force moves it through a…
Q: Cadrudate the that datves af 24 m/s end. hoe 50000J et energy.
A:
Q: By converting the power of loudspeaker,3700 000 Watt into kilowatt, we get O a. 3700kW O b. 37000kW
A: This question is based on conversion of unit.
Q: The “Energy Guide” label on a washing machine indicates that the washer will use $85 worth of hot…
A: Given,
Q: A large household air conditioner may consume 15.0 kW of power. What is the cost of operating this…
A: The total time in hours for which the air conditioner operates is
Q: How is energy value of food determined?
A:
Q: Calculate the kinetic energy in joules of a 76 kg traveling at 6.28 m/s.
A: Given data : Mass = m Velocity = V To find…
Q: The weight of the elevator in an Adamson University building is 4000Newtons. A 20,000Watt motor…
A:
Q: A large household air conditioner may consume 14.0 kW of power. What is the cost of operating this…
A: Unit of power=KiloWatt=KW Unit of Time=hour Power=Energy/time Energy=Power X time Unit of energy is…
Q: When you pedal a bike, how is wasted energy transferred to surroundings?
A: Introduction: When a person pedals a bike the mechanical energy produced by the body of the person…
Q: Identify the type of energy in the following description: A rubber band has been stretched to twice…
A: A rubber band is an elastic substance that retracts to its original length once the force is…
Q: Energy c o s t s $ 0.053/kWAh. A toaster, rated at1.0 kWAh, is used for a total of 30 minutes per…
A: The kilowatt-hour (kWh) is the unit of energy equivalent to 1 kilowatt (kW) of power expended for 1…
Q: What is the total work done BY the system after traversing the path AEC? * - 405 J O - 1,620 J O -…
A: In the PV graph the work done is area under curve or mathematically it is written as W=P∆V where P…
Q: What is ultimate source of energy in hydroelectric power plant?
A:
Q: A man spends 2.4 kJ energy in displacing a body by 48 m in the direction in which he applies force…
A: Given, Work done by man, W = 2.4 kJ distance moved, d = 48 m time, t = 1.5 s
Q: A certain factory machine uses 75 BTU/s to operate. If there are 3 identical machines running at the…
A:
Q: Complete the energy transformation/conversion taking place below. First item is done for you. 1.…
A: To find = To complete the energy transformations that are given .
Q: 4. A 30 W light bulb is left on for 8 hours overnight, how much energy was wasted? ANSWER THIS IN…
A: Given: Power P=30 W Time t=8 hours=8×60×60=28800 s
Q: An ice cube is placed in a microwave oven. Suppose theoven delivers 105 W of power to the ice cube…
A:
Q: My computer uses 15 W, if I run it for 3 hours how many Joules have I used?
A: Given: Power used by computer = 150W Time it's running = 3 hrs= 3× 60 × 60 sec…
Q: Given: The energy equivalent of one gallon of gasoline is 1.3 x 10° J. A compact car has a mass of…
A: Given: The energy equivalent of one gallon of gasoline is Ee,gasoline=1.3×108 J/gal, The mass of…
Q: A man spends 3.2 kJ energy in displacing a body by 16 m in the direction in which he applies force…
A:
Q: The heat machine receives 1200 J of heat from high-temperature heat source and re lease the heat of…
A:
Q: Calculate q when a system does 53.15 J of work and its energy decreases by 66.11 J.
A: According to question--- Given values--- work = - 53.15 J. energy = - 66.11 J. We have to find---…
Q: Calculate the amount of energy required
A: Energy required is 19400 Joules. Explanation is in next step.
Q: The metabolic power for typing is 150 W for bob. For how long would bob have to type to use all the…
A: Power = Energy / time Time = Energy / power Energy = 5660 kJ = 5660000 J Power = 150 W Time =…
Q: Calculate consume 3456 J of energy. the time taken 72 w bulb to
A: Introduction : In this question we are provided with value of power and energy. with these data we…
Q: Calculate the time taken 34 w bulb 10 consume 21.00 J of energy?
A:
Q: In unloading grain from the hold of a ship, an elevator lifts the grain through a distance of 12 m.…
A: Given,height of the elevator, h = 12 mgrain is discharged at the top of the elevator at a rate of,…
Q: how much work per cycle does it deliver?
A:
Q: Find the time taken 38 w bulb to consume 2100 J of energy?
A: Given that- Bulb power(p)=38W Energy (E)=2100J To determine that- Find the time taken?
Q: Hydroelectricity is generated by storing water behind a dam, and then letting some of it run through…
A: depth, h = 100 m mass, m = 10,000 kg density, d = 1000 kg/m3 speed, v = 2 m/s
Q: How long will the 4-kW rice cooker run on 3.6x10^6 J of energy?
A: Power×time=Energy≡4×103W×time=3.6×106J≡time=3.6×106J4×103=900s900s=900s60=15minutes
Q: Q1. 1 Jis the energy required to do of work. O 1N O 1J O 9.8 N O 98 J
A:
Q: A heat turbine can generate a maximum power of 250 MW. How much work can the turbine do in 7.8 min?
A: Given Power of turbine = 250 MW Time taken = 7.8 min We have to calculate work done by turbine…
Q: Why do the brakes on my truck get hot when I use them? Where is all that energy coming from?
A:
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- At home I have a 350W motorized washing machine that I use to wash three times a week, 2 batches of clothes of 22 minutes each each time. Based on this problem, answer the following questions: a) How much energy in Joules do I "consume" in a year? (use 52 weeks for your calculation) b) based on the conditions of the previous question, what consumption would you have in kWh? c) How much do I pay, annually, in dollars, for the use of the washing machine, if the rate for energy from my electric company is 0.17443 / kWh?Every day a certain household uses a 3,3 kW electric stove for 72 minutes, six 6 hours each and miscellaneous appliances amounting to 1,6 kW h. The 3 kW hot w ninutes during the day. If electricity costs 35 c a kWhAcademic Departments ETC - CIMS e-Services A stationery shop use the following electric appliances: (i) Three Air Conditioner of rating 1600 W for ten hours each day (ii) Two Electric water heater of rating 1000W each for 6 hours each day (lii) Twelve electric tube lights of rating 20W each for 12 hours each day. Calculate the electricity bill of the stationery shop for the month of November 2020 if the cost per unit of electric energy is 15 Bz/ kWh. on ) Electrical Energy(in kWh) consumed by three Air conditioners of rating 1600 W for 10 h of each day= 1) Electrical Energy(in kWh) consumed by two Electric Heaters of rating 1000 W for 6 h of each day= (1) Electrical Energy(in kWh) consumed by twelve Tube light of rating 20 W for 12 h of each day = (iv) Total energy(in kWh) consumed in the month November'2020 = (V) Electricity bill(in riyals) for the month of November'2020 = Next page - Problems for Practide DC. circuits O Type here to search Jump to Upload your Homework 2 Answer
- A 1100 W toaster takes one minute to toast a slice of bread. At 9.0 cents/(kW-h), how much does the toast cost? cost: cents Question Credit: OpenStax College PhysicsA chocolate chip cookie contains about 200 kcal. how long could you power a 100-W light bulb with the energy from the cookie?How long must a 100-W light bulb run in order to consume a million joules of electrical energy?
- With a 1200 W toaster, how much does it cost to make a slice of toast (cooking time = 1.5 minute)? Electricity costs 8 cents per kW.h. cents1. Figure shows the power consumption of a certain household in 1 day. Calculate: (a) the total energy consumed in kWh, (b) the average power per hour over the total 24 hour period. 1200 W PA 800 W 200 W →t (h) 12 2 4 6 8 10 12 2 4 6 8 10 12 noonA 75 W incandescent bulb and a 15 W compact fluorescent bulb, as shown, each produce 3.0 W of visible-light energy. What are the efficiencies of these two types of bulbs for converting electric energy into light?
- You and your housemate have an argument over the cost of the electric bill. You want to turn off the outside porch light before going to bed each night. Your housemate wishes to keep the light on from 6:00 PM each evening to 6:00 AM the next morning and says that this will not add any significant amount to the electric bill. If the porch light bulb is a 65 W bulb, how much will your housemate's plan contribute to the electric bill each month? Take the number of days in a month as 30 and the average cost of electricity is 12.9¢/kW · h. $A water jet consumes 3650W for 126 hours a week What is the energy consumed (kWh) for a one-year period? What is the utility energy charge for this period at a rate of $750/kWh? What is the energy cost savings for this period if the water jet is switched off five hours a day? 1year=365.25daysSuppose a heart defibrillator consumes 425 j of energy in 10.5 ms. What is the average power output of the defibrillator, in W?