A movable bar (L=1m) can slide along frictionless conducting rails. Use B=5T - If you pull the bar at 2 m/s, the resistor disipates energy at a rate of 4W. Find R. -Determine the force required to pull the bar at 2m/s - Describe the motion of the bar if you suddenly stop pulling

Q: Label the zero potential energy on this diagram and explain.

A: We know, P.E will be zero if Potential b/w two points is same.

Q: Lightbulb A was found out to give 30.0W of power, producing the same brightness as lightbulb B…

A:

Q: How much energy is consumed by a 1.1 kW hair dryer used for 12 min? How much energy is consumed by a…

A: Given data Power consumed of hair dryer is P= 1.1 kW Time is t= 12 min =0.2 hour The amount of…

Q: If a = 2i + 5j, and b = i - 3j. Calculate-4 C=axb

A: Given a=2i+3j b=i-3j C=aXb

Q: 5) What is the power dissipated by R2?

A: Given: R1=9 ΩR2=12 Ω The supply voltage is 12 V.

Q: maximum energy that can be transferred

A:

Q: Electric energy units are often expressed in “kilowatt-hours." (a) Show that one kilowatt-hour (kWh)…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: mal kinetic energy 23 T

A:

Q: In differential equation (Newtons 2nd law of Motion). Determine the limiting velocity of the body if…

A:

Q: 1. A huge stone is pushed by a 46N of force. If there is only 12.5N of friction, and the stone's…

A: According to Bartleby policy I can only answer one question. So please post the other questions…

Q: Why electric cars (which are amazing) still stink at towing and going up mountains. A family in…

A:

Q: A microwave oven has a power requirement of 1,255 W. A frozen dinner requires 4.2 min to heat on…

A: Given,

Q: Jenny is out trimming her hedges with a hedgetrimmer that has a 1500W power rating. If it takes her…

A: Let the power rating is denoted by P and the working time is given by t. Evaluate the energy (E)…

Q: Please look at the image for details about the question. Put the answer in ___x10^_ and reduce it…

A:

Q: 1. Show that one joule is equivalent to 10' ergs.

A:

Q: 1. What is the difference between an electric motor and electric generator in terms of function? 2.…

A:

Q: 1. Suppose you left a 150-W light bulb on continuously for one hour.  If the electricity generation…

A:

Q: A standard computer has a power supply of 550 W, and many people just leave their computer on all…

A:

Q: After Galvani's later experiments with two types of metal wire and no known source of electricity…

A: Galvani through his experiments was trying to study the effects of electric sparks on the muscular…

Q: In the science fiction story "The little prince is an android" a second journey of the character…

A:

Q: A magnet is removed from a refrigerator door and Placed on a table. in 1-2 sentences, expiain how…

A: refrigerator is made up of a metal and magnets can be attached to it so you can attach two magnets…

Q: A vacuum cleaner draws power at 1200 Watt. If you clean your once a week, 20 minutes for each…

A:

Q: In a sunnier location than Eugene, the sun shines for an average of 2000 hours per year. A home…

A:

Q: Suppose you have a 1000W microwave that you need to run for 5min to heat up your dinner. How much…

A:

Q: Water flows over a section of Niagara Falls at a rate of 1.2 × 10^6 kg/ s and falls 50 m. How many…

A:

Q: You are part of an expedition traveling through space. You have a space ship with solar panels on…

A: Given:- You are part of an expedition traveling through space. You have a spaceship with solar…

Q: What is the power dissipated in the 200 1esistor when 402 30 a 30 2 30 Lm 202 Select one: a. 15 W ww…

A: power disipation = I2 R

Q: A. At 7.15 cents per kilowatt-hour, what does it cost to operate a 9.00 hp motor for 10.0 he? B. At…

A: Total energy used by the motor will be, Emotor=9.0 hp10.00 hr           =9×0.7457 kW10.00 hr…

Q: Collec X session.masteringphysics.com/myct/itemView?assignmentProblemID3135511215&offset3Dne Apps &…

A:

Q: A 10-lb weight stretches a spring 2 ft. If the weight is pulled down 6 in. below its equilibrium…

A: According to Hooks law, the tension force in the spring is ks, where k be defined as spring constant…

Q: A certain house uses an average power of 485 Watts all day, everyday, for a 31 day month.  If the…

A: The power (P) consumed by the house in a day is 485 W. The energy consumed by the house in a day can…

Q: Why electric cars (which are amazing) still stink at towing and going up mountains. A family in…

A:

Q: A microwave oven has a power requirement of 1,243 W. A frozen dinner requires 5.6 min to heat on…

A: The electrical energy used is given by, E=Pt Here, P is the power of the oven and t is the time for…

Q: Your excercise regime is running up a flight of stairs every morning. if it takes you twice as long…

A: Given : normal time to climb the stairs  =t0 time taken to climb on a special day  =2t0   Determine…

Q: What energy is produced by a 200 W light bulb lit for 2.7 hours? Answer in units of J.

A: Power is defined as the rate at which energy is expensed or rate of doing work. P=Et

Q: Bin *Fapp (a) Calculate the applied force required to move the bar to the right at a constant speed…

A:

Q: A water jet consumes 3150 W for 126 hours a week. what is the energy consumed (kWh) for one-year…

A:

Q: A light bulb has a power of 300W. What is the energy dissipated by it in 5 minutes? Select one: a.…

A:

Q: A spaceship needs a lot of fuel to reach the geostationary orbit. Compute the required height for a…

A: Given,

Q: What is the efficiency of an electric generator that produces 1.75 kwh per kg of coal burned. The…

A: Given data The electric power produced by the electrical generator is: E = 1.75 kWh/kg The heat of…

Q: What are the practical applications of maximum power transfer theorem?

A: In DC circuits this theorem state that the source can transfer maximum power when the total…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.