The intensity of electromagnetic waves from the sun is 1.4 kW/m² just above the earth's atmosphere. Eighty percent of this reaches the surface at noon on a clear summer day. Suppose you think of your back as a 33.0 cm × 50.0 cm rectangle. Part A How many joules of solar energy fall on your back as you work on your tan for 0.900 hr ? Express your answer with the appropriate units. μA Value 1 Units ?

Q: How does temperature affect the time measured by a pendulum clock? More precisely, consider a clock…

A: solution is given as

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A: Given data: Frequency, f= 199Hz                    Wavelength, λ= 1m    As we know, The velocity of…

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A: Frequency=512Hz

Q: What is the speed of sound at a temperature of 300 K? O 330 m/s 340 m/s O 6030 m/s O 348 m/s

A: Speed of sound with temperature varies as v = 331 m/s + (0.6 m/s °C ) T Given temerature  T = 300 K…

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A: Given data:  The position vs time graph Required: The displacement during the first six seconds

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Q: A. Find the length of the pipe. (1 m = 3.28 ft) B.If the temperature is 40 degree Celsius, find the…

A: Given data: The fundamental frequency is: f = 66 Hz at 20oC The speed of sound is: v = 343 m/s The…

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Q: The displacement of a wave traveling in the positive x-direction is y(x,t)=(3.5cm)cos(2.7x−92t),…

A: Given The displacement of the wave travelling in the positive x-direction is given as yx,t=3.5…

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Q: у (ст) 3 -3- 6- -t (s) 0.2 /0.4 0.6 0.8 /1.0 of --

A: wave speed = 2 ms

Q: 1A. You hear the sound of the firing of a distant cannon 3 seconds after seeing the flash. a) Draw a…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

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A: Time period of a swing pendulum is given as  T = 2π Lg Where L is length of pendulum and g is…

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A: Sound intensity formula is given by, I=PA where, I = Sound intensity =1.5x10-3 w/m2 P = Acoustic…

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A: Given tha The thickness of the fur is ∆x1=1cm We know that  The thermal resistance is given by  Rθ…

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A: The given values are listed below. c=3×108 m/sv=2×108 m/sλ=608 nm=608×10-9 m Here, c is the speed of…

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Q: 5. The distance between Planet X and a star is 1.2 x 1011 m. At the surface of Planet X, the average…

A: Given information, distance, r= 1.2×1011 m Intensity ,I= 5355 W/m2 Average power = Intensity × 4πr2

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A: Given Time period in region A ta = 35.4 ms Time period in region B tb = 33.2 ms Time period in…

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Q: A guitar string is vibrating in its fundam ental mode, with nodes at each end. The length of the…

A: Given: a_max= 8200 m/s^2 V_max= 3.1 m/s   a) Now Angular frequency ω=amaxvmax ω=82003.1 w =…

Q: An osprey's call is a distinct whistle at 2200 Hz. An osprey calls while diving at you to drive you…

A: Frequency of the source is f = 2200 HzFrequency heard is f0 = 2300 Hz