er7iL7ovbrokervelsea er7iL7ovbrokervelsea

01-12-2016
Physics

contestada

The period of a wave is equal to the time it takes for one wavelength to pass by a fixed point.

Respuesta :

02-12-2016

the answer is 4 seconds

Answer Link

Otras preguntas

20 is 80% of what number?

Which changes occur as a cadmium atom, Cd, becomes a cadmium ion, Cd2+? (1) The Cd atom gains two electrons and its radius decreases. (2) The Cd atom gains two

Which chemical equation represents the reaction of an Arrhenius acid and an Arrhenius base? (1) HC2H3O2(aq) + NaOH(aq) --> NaC2H3O2(aq) + H2O(l) (2) C3H8(g)

The bond between Br atoms in a Br2 molecule is (1) ionic and is formed by the sharing of two valence electrons (2) ionic and is formed by the transfer of two va

A compound is made up of iron and oxygen, only. The ratio of iron ions to oxide ions is 2:3 in this compound. The IUPAC name for this compound is (1) triiron di

How are HNO3(aq) and CH3COOH(aq) similar? (1) They are Arrhenius acids and they turn blue litmus red. (2) They are Arrhenius acids and they turn red litmus blue

what effect did the breakup of the Soviet Union have on Cubans?

Which sentence is punctuated correctly? A. "It can creep along the ground." he added, "or climb trees." B. "The leaves," she explained, "can be anywhere from

Which pH change represents a hundredfold increase in the concentration of H3O+? (1) pH 5 to pH 7 (3) pH 3 to pH 1(2) pH 13 to pH 14 (4) pH 4 to pH 3

Which sentence uses the past participle form of the verb grow? A. The woman is growing her mums near the front door. B. The woman grew her mums near the front