The spectra for elements are
all the same
the same for a chemical family
the same...
Answers: 1
Physics, 22.06.2019 18:00
Athin nonconducting rod with a uniform distribution of positive charge q is bent into a circle of radius r. the central perpendicular axis through the ring is a z-axis, with the origin at the center of the ring. a) what is the magnitude of the electric field due to the rod at z = 0? n/c (b) what is the magnitude of the electric field due to the rod at z = infinity? n/c (c) in terms of r, at what positive value of z is that magnitude maximum? r (d) if r = 4.00 cm and q = 9.00 Β΅c, what is the maximum magnitude? n/c
Answers: 1
Physics, 23.06.2019 03:30
Which statement is true? a) the work done to lift an object 6 meters is greater than the gravitational potential energy it gains. b) the work required to push an object is less than the work required to pull an object the same distance. c) the work required to raise an object to a height is equal to the gravitational potential energy the object gains. d) the work done against gravity to lift an object straight up is greater than the work required to roll it up a ramp.
Answers: 1
Physics, 23.06.2019 03:40
What does every magnet possess? a. iron metal b.strong magnetic field c.repulsion d.north and south poles
Answers: 2
Physics, 23.06.2019 04:40
2) a cubical block of stone is lowered at a steady rate into the ocean by a crane, always keeping the top and bottom faces horizontal. which one of the following graphs best describes the buoyant force b on this block as a function of time t if the block just enters the water at time t = 0 s?
Answers: 3
Mathematics, 26.06.2019 07:50
Biology, 26.06.2019 07:50
Mathematics, 26.06.2019 07:50
Mathematics, 26.06.2019 07:50
Mathematics, 26.06.2019 07:50
History, 26.06.2019 07:50
Mathematics, 26.06.2019 07:50
Mathematics, 26.06.2019 07:50
History, 26.06.2019 07:50