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.=

If the wheels lock when braking suddenly the vehicle: a: loses traction b: lose steering wheel ability c: gain speed slightly d: gain steering ability

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?

Which lists the organs in the correct order as food passes from the mouth to anus?