A hockey puck has a mass of 0.115 kg and is at rest. A hockey player makes a shot, exerted a constant force of 29.5 N on the puck for 0.16 s. With what speed does it head toward the goal

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Alinearly polarized electromagnetic wave has an average intensity of 196 w/m^2. this wave is directed towards two ideal polarizers (in real polarizers, transmission is also effected by reflection and absorption). polarizer a is oriented with its transmission axis at an angle of θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ with the incident electric field. what is the average intensity of the wave after it passes through polarizer a? what is the average intensity of the wave after it passes through polarizer b? suppose that the two polarizers a and b are interchanged. what would the average intensity be after passing through both polarizers?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?