Find out the speed of sound in air

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Reference no: EM1323218

Q1. The speed of sound is 340. Find out the speed of sound in air at 0° Calices (320 Fahrenheit) measured in meters per seconds (m/s).

Q2. A professor's office door is 0.95 {rm m} wide, 2.0 {rm m} high, and 4.0 {rm cm} thick; has a mass of 25 {rm kg}; and pivots on frictionless hinges. A "door closer" is attached to the door and the top of the door frame.When the door is open and at rest, the door closer exerts a torque of 4.8 {rm N} cdot {rm m}. What is the least force that you need to apply to the door to hold it open?

Reference no: EM1323218

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