It is observed that 15 waves hit the shore every 10 minutes. The distance between successive crests is 3.2 m.
What is the frequency of the waves in Hz? What is the velocity of the waves?

he made 11 calls in one day

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.

answer(20) psi;