Physics, 14.02.2022 09:00 shymitch32
A simple string light produces 10 J of light energy each second. What is
the efficiency of the light bulb if it uses up 200 J each second? Show work
A. 5%
B. 10%
C. 20%
D. 25%
Answers: 2
Another question on Physics
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Physics, 22.06.2019 13:10
Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o
Answers: 1
Physics, 23.06.2019 00:00
A15,000 kg rocket traveling at +230 m/s turns on its engines. over a 6.0 s period it burns 1,000 kg of fuel. an observer on the ground measures the velocity of the expelled gases to be −1,200 m/s.
Answers: 3
Physics, 23.06.2019 01:30
Hydroelectricity provides about 7 percent of the electricity generated in the united states. (a) explain how a hydroelectric power plant converts energy stored in water into electricity. (b) identify two factors that determine the amount of electricity that can be generated by an individual hydroelectricity power plant. (c) describe the two main types of land-based hydroelectric power plants. (d) describe two economic advantages and two environmental disadvantages of hydroelectricity.
Answers: 1
You know the right answer?
A simple string light produces 10 J of light energy each second. What is
the efficiency of the lig...
Questions
Physics, 24.05.2021 23:10
Mathematics, 24.05.2021 23:10
Mathematics, 24.05.2021 23:10
English, 24.05.2021 23:10
Mathematics, 24.05.2021 23:10
Mathematics, 24.05.2021 23:10
History, 24.05.2021 23:10
Mathematics, 24.05.2021 23:10
English, 24.05.2021 23:10
Advanced Placement (AP), 24.05.2021 23:10
