On december 26, 2004, a great earthquake occurred off the coast of sumatra and triggered immense waves (tsunami) that killed some 2 people. satellites observing these waves from space measured 800 from one wave crest to the next and a period between waves of 1.0 hour. part awhat was the speed of these waves in m/s? express your answer using two significant figures.=part bwhat was the speed of these waves in km/h ? express your answer using two significant figures.=

Answers:

a) 222.22 m/s

b) 800.00 km/h

Explanation:

The speed of a wave is given by the following equation:

Where:

is the speed

is the frequency, which has an inverse relation with the period

is the wavelength

Solving with the given units:

This is the speed of the wave in km/h

Transforming this speed to m/s:

This is the speed of the wave in m/s

we're given that v₀ = 0 and a = 5.4 m/s². therefore, since v = at + v₀ for constant acceleration the equation for velocity is

after 28s,

m/s

which i would round to 150 m/s as my final answer