Physics, 11.12.2019 01:31 kassandrarosario1115
Light from a lamp is shining on a surface. how can you increase the intensity of the light on the surface? light from a lamp is shining on a surface. how can you increase the intensity of the light on the surface? a. use a lens to focus the power into a smaller area. b. increase the power output of the lamp. c. either a or b.
Answers: 1
Physics, 22.06.2019 12:00, jazz8224
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, 23.06.2019 01:00, shubbs1038a
First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.
Answers: 2
Physics, 23.06.2019 08:10, ngilliam1444
Which of the following is most likely to be the best conductor of electricity? oxygen chlorine aluminum chromium
Answers: 1
Light from a lamp is shining on a surface. how can you increase the intensity of the light on the su...
Mathematics, 16.10.2020 07:01
Mathematics, 16.10.2020 07:01
Mathematics, 16.10.2020 07:01