How numerous people are at the game

Reference no: EM135053

Q1. When one person shouts at a football game, sound loudness at the center of the field is 54 dB. As all the people shout together, the loudness increases to 106 dB. Assume that each person is about the similar distance from the center of the field and can generate the same level of sound intensity. How numerous people are at the game?

Q2. Throughout a workout, a person repeatedly lifts a 13-{rm lb} barbell through a distance of 1.4 ft. How many "reps" of this lift are required to burn off 160 C?

Reference no: EM135053

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