electrical transmission can be converted to internal energy with an efficiency of 100%. By what factor does the cost of heating your home change when you replace your electric heating

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: A 1,019 kg car with 230.5 horsepower is driving up a 498.4 meters mountain. How long (in seconds)…

A:

Q: Write down Newton's Second Law for translation along the direction of the slope, calling this the…

A: Given Data: Friction →fs Weight →Mg Reaction force →FN Radius →R Inclination height →h Inclination…

Q: What is work

A: Work is said to be done when a force applied to an object moves that object. Work is defined as a…

Q: A 1000kg car traveling at 35 m/s takes 9 m to stop under full braking The same car under similar…

A: Given data *The mass of the car is m = 1000 kg *The initial speed of the car is u = 35 m/s *The…

Q: 1. What amount of work is done when a 5 newton object is moved a distance of 10 meters?

A: Given data:   Force (F) = 5 N Distance (d) = 10 m Required: Work done (W)

Q: 8. What is the kinetic energy of a 1200 kg car travelling 90 km/h?

A: Given: The mass of the car is 1200 kg. The speed of the car is 90 km/h.

Q: Find the resistance between the points a and b for the network shown in the figure, if R1 = R2 = R3…

A: Given:-  R1=R2=R3=2ΩR4=R5=3 Ω Find:-  The resistance between the point a and b

Q: 2. Sketch the f v.s. Uind graph for given data table. Determine the value of µo and calculate the…

A: The graph for the given table is as follows:

Q: You have been hired by the prosect

A:

Q: 17. Which of the following must occur for work to be done on an object? O the object must rotate the…

A:

Q: Six slits in a diffraction grating. A set of waves is spreading out from each of the slits. Six…

A: λ=658nm

Q: What work is done by a force of 20 N acting through a parallel distance of 8 meters. What force will…

A: Given: Work is done by a force of 20N acting through a parallel universe of 8 meters. To…

Q: Why is it 90o?

A:

Q: 40. A 100 g ice cube at -10°C is placed in an aluminum bucket librium temperature of 20°C. What is…

A:

Q: 28. How much work is done lifting a 3-m chain over the side of a building if the chain has mass…

A: Required : Work done in lifting a chain.

Q: A computer uses 1.62 x 10^4 J in one hour. What is the power used?

A: The energy usage of device is 1.62 ×104J in one hour.    Power is the rate with respect to time at…

Q: How much work is done by a machine to lift 750 kg of bricks to a height of 8.2 m?

A: Work done = gain in the potential energy by the bricks = m×g×h Here, m= 750 kg            g= 10 m/s2…

Q: When is potential energy largest? Why?

A: Potential energy of any object is the energy possessed by the object by virtue of position (or…

Q: An electron moves in a uniform magnetic field as shown below. Find the direction of the force on the…

A: According to Fleming's left hand rule, the direction of thumb shows force, index finger shows as…

Q: 5. Calculate the work being done on 2000 N crate, being lifted 2 meters off the ground by a crane.…

A:

Q: Jamal went on a diving trip he jumped off the deck of a boat into the water every second after he…

A: Given that:- Time after which, we have to find the location of Jamal=10sec

Q: Can someone pls help with these questions?

A: Given that :- Distance between your house to your friend's house=3 mile

Q: 10. How much work is done to accelerate a 2,500 kg car from rest to a velocity of 27 m/s?

A:

Q: 6&7 please

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Q: R2 RI -Q:

A: Sphere having radius R1 and charge Q1 Spherical shell having radius R2 and charge –Q2 Proof:…

Q: dropped a 2kg rock from a cliff and it hits the ground 2 seconds later. How high is the cliff?   5m…

A: Given data, Rock is dropped from cliff i.e., initial velocity is zero, u=0 Only acting acceleration…

Q: A mass, m is on an incline of angle as shown. It is connected via a string to a pulley of moment of…

A:

Q: What is the work done by the walking man that uses a power of 24 J/s in 45 sec? handwriting answers

A:

Q: 7,8,9

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Q: a 2 -1 2 2 4 2 4

A:

Q: Can someone explain this again... Thank you.

A: Notice that the volume of the glass bottle is constant and we want to apply the gas law,…

Q: A lamp consumes 500 J of electrical energy in 20 sec. What is the power of the lamp?

A: Power of the lamp is calculated by the formula:   Power = Energy consumed per unit time   Power =…

Q: Power: A kilowatt-hour is equivalent to 1000 W. 3600 J 3,600, 000 j/ s . 3, 600, 000 J 3600 j/s

A: Answer:- 3,600,000 J  A kilowatt- hour = 3,600,000 J    Because    1kilowatt - hour = 1 kilowatt × 1…

Q: (8) In sample Prob 15.01, when the spring constant is doubled, the time for one complete oscillation…

A: Given:  Spring factor is doubled.

Q: A car moving at 60 km/h skids 20 m with locked brakes. How far will the car skid with locked brakes…

A: Write the given values with the suitable variables. v1=60 km/hl1=20 mv2=120 km/h Here, v1, l1, and…

Q: What is the power of a motor that does 700 J of work in 35 s?

A: Given data:  Work (W) = 700 J Time (t) = 35 s Required: Power (P)