If a photon has a frequency of 1.15 × 1015 hertz, what is the energy of the photon?
Given: Planck's constant is 6.63 × 10-34 joule·seconds.

A.
5.82 × 10-49 joules
B.
7.62 × 10-19 joules
C.
8.77 × 10-12 joules
D.
1.09 × 10-12 joules

answer: the rock sample is a sedimentary rock.

explanation:

it is given that:

mass of rock sample, m = 2.7 g

volume of rock sample,

so, density of rock sample will be

since, the density of rock sample is . hence, the rock sample is a sedimentary rock, whose densities varies between .

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

hope this !

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

grav forces affect all objects magnetic forces affect magnetic objects and electric currents