Piston in a gasoline engine is in simple harmonic motion. the engine is running at the rate of 2 940 rev/min. taking the extremes of its position relative to its center point as ±5.50 cm.(a) find the magnitude of the maximum velocity of the piston. 16.93 correct: your answer is correct. m/s(b) find the magnitude of the maximum acceleration of the piston

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?

Who was the first scientist to measure speed as distance over time?

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?