The cutoff wavelength for the photoelectric effect in a certain metal is 254 nm. (a) What is the work function for that metal?

Q: If you walk 24 m in a direction exactly 35° west of north and then you walk 11.5 m in a direction…

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Q: Can someone look at the options again. Please select all of the correct answers.

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Q: t (b) Using your previous results, calculate the total flight time, t, in seconds, until the bullet…

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A: Inversion happens when the same thing is seen from the opposite sides.

Q: Answer B is saying it is wrong.

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Q: A bus traveled 60 km north from its terminal. From this point, it traveled 80 km east. How far is…

A: Given: The bus initially travelled 60 km north. The bus travelled 80 km east.

Q: A = 2 units @89 degrees B =7 units @ 22 degrees C= 28 units @ 76 degrees D = 81 units @ 55.8 degrees…

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Q: Find the velocity and acceleration vectors in terms of u, and up. r=2 cost and 0 = 9t V= -2 sin t)4)…

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Q: dy differential equation +y tan (x)= cos (x) . If y(0)=0,y dx Consider the 3 S (up to two decimal…

A: Given, dydx+ytanx=cosx

Q: b) Draw direction vectors in unit cells for the following cubic directions: i) (241) ii) (3 I 3)…

A: i For 2  4  1 the intercepts is  a  b  c=12  -14  -1 ii For 3  1  3 the intercepts is  a  b  c=13…

Q: Ben, from his house, went to the barbershop to have his hair done. The barbershop is 5 km West from…

A: Distance moved by Ben from his home to barbershop = 5 km  The direction of barbershop = west of…

Q: Form the dot product of A=23N 37° and B = 14N -35°

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Q: Please show the solutions answers for number 2

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Q: find the answer for number c

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Q: Fig.(4) In figure (5), find the Leq. between points A & B, all L=1 H A relle Fig.(5)

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Q: Vector A has a magnitude of 6 units, vector B has a magnitude of 7 units, A dot B has a value of 14.…

A: Given data The magnitude of vector A is given as A=6 units. The magnitude of the vector B is given…

Q: 37. a. Find the bearing from O to A. (See Example 5) -12° b. Find the bearing from O to B. 195° c.…

A: Bearing O to A Bearing is basically angle measured in a clockwise direction from north line .

Q: Given vector A =   and vector B = , what is A dot B?

A: Given            A = <10, 20, 18>          B = <16, -17, -24>

Q: A miner in the underground tunnel walks 59 m due East, 115 m due South and 83 m due West. What was…

A: In the given question, given that a miner walks 59m due east, 115m due south and 83m due west in the…

Q: Part C Enter the expression -20 + 6D in the answer box using the notation just described. Express…

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Q: From a starting point, you started walking 3 kms west then 4kms north. What is your distance…

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Q: Find two nonnegative numbers x and y such that xy = 162 and 6x + 3y is minimized. X = y =

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Q: 10. If you are driving a car down the street, which would be a good reference point? the tires of…

A: a mailbox.

Q: Solve to the significant number of digits 3456 + 888.010 + 53.11 + 7 – 1.0   (45.805*2.00)/5.0 +…

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Q: If only one answer is correct, would it be A or C? Or could both be correct? Please explain.

A: As the roads are banked , there is larger normal force on the vehicle and hence friction(=uN)  is…

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Q: Thank you. What do the 3 dots in section 'b' mean and also the # notation?

A: Section (b) is given equation are-∵ particle accelerate in a straight line with acceleration 'a' .…

Q: Please show me the solution for the remaining parts (4 decimal places

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Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?