subject
Physics, 27.06.2019 07:50 abdullahs4639

A) how many joules of energy does a 100-watt light bulb use per hour? express your answer using two significant figures. b) how fast would a 65 kg person have to run to have that amount of energy? express your answer using two significant figures.

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 02:00
Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *
Answers: 1
question
Physics, 22.06.2019 12:00
Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation
Answers: 1
question
Physics, 22.06.2019 22:00
1. what is the relationship between wavelength and the penetrating power of an electromagnetic wave? a) the penetrating power has no relationship to the wavelength. b) the penetrating power increases as the wavelength increases. c) the penetrating power decreases as the wavelength increases. d) the penetrating power decreases as the wavelength decreases. 2. as ice melts and turns into water, the speed of sound through the material would most likely do what? justify your answer. a) the speed would not change because the material is always water. b) the speed of sound would increase because the density of water is less than that of ice. c) the speed of sound would increase because energy is added to ice in order to make it melt. d) the speed of sound would decrease because sound travels faster through solids than liquids. 3.which of these waves need a medium to travel through? a) sound b) x-rays c) infrared rays d) visible light
Answers: 3
question
Physics, 23.06.2019 04:20
The velocity of sound wave in air at 35Β°c is 353m/s, calculate the velocity of sound at 46Β°c
Answers: 1
You know the right answer?
A) how many joules of energy does a 100-watt light bulb use per hour? express your answer using two...
Questions
question
Spanish, 08.01.2021 22:10
question
Mathematics, 08.01.2021 22:10
question
Mathematics, 08.01.2021 22:10
question
History, 08.01.2021 22:10
Questions on the website: 13722360