Answers: 2
Physics, 21.06.2019 23:30, KKHeffner02
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
Answers: 1
Physics, 22.06.2019 05:00, masie03
Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
Answers: 1
Physics, 22.06.2019 19:00, danielwu462
Which of the following list the divisions of the geologic time scale in order from longest to shortest
Answers: 1
Physics, 22.06.2019 23:00, destinybonmer
1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system
Answers: 2
How many excess electrons does she get, and by how much does her mass increase? Express your answer...
Mathematics, 05.11.2019 23:31
History, 05.11.2019 23:31
History, 05.11.2019 23:31