The energy (in electron-volts) for a photon with a wavelength 738 nm is:

Q: 2. Calculate the sound intensity in watts/m2 of a 65-decibel sound.

A: Given,             65 DBWe have to find out Sound Intensity in watts/m2.

Q: A 8.73 10 9) What is the measurement of arc AB?

A:

Q: solve the given formula for inductance. then calculate the inductance for an AC circuit with…

A: Given that, the frequency is f = 4.2 kHz and the inductance reactance is  L = 457 ohm.It is known…

Q: In 1960, an earthquake with a magnitude of 9 on the Richter scale occurred in Chile. In 1994, an…

A: An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy…

Q: What elements are described by CÌ H? Is H'equal to S? Explain.

A:

Q: An earthquake was measured to have a magnitude of 4.8 on the Richter scale. Find the intensity of…

A: Given magnitude(M) of earthquake is

Q: Find the c/a ratio of element X that has an atomic radius of 0.125 nm and a unit cell volume of 6.65…

A: Given, The atomic radius (r) is 0.125 nm and the unit cell volume (v) is 6.65×10-2 nm3. The…

Q: St, to SI (a) E 'n=0 n!

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: The de Broglie wavelength (in nanometer) for an electron moving with 8.658 x m/s is: 104

A:

Q: The diameter d of the Milky Way galaxy is estimated as 100,000 light years. Express d in miles.…

A: Light year is a unit of length which is used to measure astronomical distances.

Q: In an electric circuit, E volts is the electromotive force at t seconds, and E = 2sin(2/3)πt. Find…

A: This is a definite integral problem

Q: ABCD is a kite, so AC 1 DB and DE = EB. Calculate the length of AC, to the nearest tenth of a…

A: Given that  ABCD is a kite,AD=6 cm, AE=8 cm, CD=8 cmDE=BE

Q: Find the exact value of csc 45°.

A: See attached file for a step by step explanation.

Q: Energy is measured in Joules or electron volts صواب ihi

A: We have to find the unit of energy

Q: LA wheel has a diameter of 100 centimeters. If the wheel is supporting a cart moving at 45…

A:

Q: 76° E Find the measure of the arc length.

A: Draw a schematic diagram of given figure,

Q: 2 ft The shaded area is (Round to two decimal places as needed.) Determine the shaded area. 10 in.…

A:

Q: Determine the shaded area. 7 ft The shaded area is (Round to two decimal places as needed.)

A: The area, A1, of a cube is A1=a2, where a is the side of the cube. The area, A2, of a circle is…

Q: What is the power of the eye in D when viewing an object 62.9 cm away? (Assume the lens-to-retina…

A:

Q: the specific heat of iron is 0.4494 j/goc.how much heat is transferred when a 24.7 kg iron ingot is…

A:

Q: A bank pays an interest of 4.5% for a three month term deposit. Calculate the amount that Stokes…

A: Bank pays interest of 4.5%   we have to calculate the amount that Stokes must invest to earn an…

Q: Determine the shaded area. 16 ft edback on 三 The shaded area is (Round to two decimal places as…

A: NOTE: Refresh your page if you can't see any equations. . the side length of the square is  x=32…

Q: Determine the shaded area. 21 ft ... The shaded area is (Round to two decimal places as needed.)

A:

Q: calculate MN and TN for the value of N indicated.

A:

Q: Evaluate: dz, where e is a cirele 121=1 and

A:

Q: A spy plane is cruising at an altitude of 18,250m. If the temperature at this altitude is -75C what…

A: Consider the given question,Given Altitude, H = 18,250 mTemperature, T = -75 degree Celsius = (-75 +…

Q: 1. Kad length OA :5 ; co 24

A: Given,       Find the length of :

Q: Hence, use the rounded values of y and w to find x, correct to 1 decimal place.

A: To find the value of x using y and w

Q: the radian measur at's 60 ft long?

A:

Q: Consider the composite figure below. .1ft.

A: We can find the volume and surface area as below

Q: Your hose fills a s pool is full in 1 ho alone?

A: your hose fills the pool in 3 hours.  Work done in 1 hour =13 Time taken when work together = 1 hour…

Q: Sixty miles/ hour is how many ft/sec?

A: Given

Q: The voltage v across a capacitor is given by 1 (7×10 . dt volts 16x10*, 200e Evaluate v.

A:

Q: +44=Cos+

A: Given Differential equation is                                                            y'+4y=cost…

Q: In ANOP, o = 48 inches, p = 19 inches and ZN=54°. Find ZP, to the nearest deg %3D

A: Make a diagram using the given information  apply cosine rule to find out the value of 'n' first

Q: Find an approximate value for arctan0,95.

A: Take  Now differentiating f(x) with respect to x, we get

Q: Use a calculator to approximate the value arccos (0.051). Round your answer to two decimal places.

A: Given:0.051  To calculate approximate value across ( 0.051) and round it to two decimal places

Q: 4. How many revolutions will a car wheel of diameter 30 in, make over a period of half an hour if…

A:

Q: Give an approximate value of e, correct to four decimal places.

A: We have to find approximate value of e, correct to four decimal places. Here e is the Euler's number…

Q: In the figure shown, compute the following : 75 mm 75 mm 75 mm

A: Given problem is :

Q: What is the intensity level of a lawm mower if the sound has the intensity of 0.00063 W/m^2?

A: Given  Intensity level L = 10 log(I/Io) db I = 0.00063 W/m2 = 63× 10-5 W/m2 Io =  10-12 W/m2

Q: A glass plummet weighs 14.35 g in air, 11.40 g when immersed in water, and 8.95 g when immersed in…

A:

Q: Given that AFGH is şimilar to AFED, calculate GH to the nearest thousandths place. 14 12.25 9. F E…

A:

Q: The de Broglie wavelength (in nanometer) for an electron moving with 6.628 x 10 m/s is:

A:

Q: X s elocity (in ft/s)

A: h(t)=-16t2+49 The above equation for the height is given with the gravity g=32ft/sec2 and initial…

Q: 90° H T W V 112° U

A:

Q: Find the appropriate value of t  for 95% CI with n=31.

A:

Q: How many revolutions will a car wheel of diameter 30 in. make as the car travels a distance of one…

A:

Q: A RL circuit has a resistance of 10 ohms, an inductance of 1.5 henries, an applied emf of 9 volts,…

A:

Q: If the temperature of the metal surface is {6} K, then calculate its value in Fahrenheit

A: Given information: Given that the temperature of the metal surface is K = 6.