Physics, 01.04.2020 14:44 edjiejwi

You leave a 3kW heater on in your room. You put it on at 8am and leave it on until 4pm. If a unit (1kWh) costs 12.5p, how much would it cost to leave it on?

Answers: 1

Show answers

Another question on Physics

Physics, 22.06.2019 16:00

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

Answers: 2

Answer

Physics, 22.06.2019 21:00

What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%

Answers: 1

Answer

Physics, 23.06.2019 00:00

Does the distance travelled by an oscillating mass between times t=0 and t2 equal the displacement of the particle over the same time period if t2> t/2? hint: consider a sine wave starting at t1=0, then consider a closing wave starting at t1=0, for your explanation.

Answers: 1

Answer

Physics, 23.06.2019 01:00

To practice problem-solving strategy 10.1 for energy conservation problems. a sled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slides a distance d1 down the slope and then covers the distance d2 along the horizontal terrain before stopping. find the coefficient of kinetic friction μk between the sled and the ground, assuming that it is constant throughout the trip.

Answers: 1

Answer

You know the right answer?

You leave a 3kW heater on in your room. You put it on at 8am and leave it on until 4pm. If a unit (1...

Questions