Which of the following statement is correct? a. Threshold frequency does not depend o the metal used b. Emission of photoelectrons occur below the threshold frequency c. The emission of photoelectrons is having lag time d. The photoelectric current is not dependin

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Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

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A: Write the given values with the suitable variables. m=1.06 kgT=4 s Here, m and T are the mass and…

Q: A unit vector has the magnitude of

A: The answer for the given question is given in the next section.

Q: A thin uniform disk has mass M = X kg and radius R = Y cm. A circular hole is punched out of the…

A: Given,

Q: 9&10 please! Thank you!

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

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Q: O Antinodes O Amplitude

A: These are particular points in the wave that never move

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A: Answer is D

Q: 9) How many electrons are moving through a current of 2A for 2 s? a) 3.2 x 10-19 b) 6.28 x 10 18 c)…

A: Given:          Current, I=2 A            Time, t=2 s Find: The number of electrons, n=?

Q: 3. a quantity that describes the rate of motion in the y direction A. horizontal component of…

A: As we know that rate of motion is speed . But according to the question,  we have asked the rate of…

Q: (d) What is the speed of the block when its displacement is 0.160 m? m/s (e) Find the kinetic energy…

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Q: 4. The cylinder of weight W= 100 kN rests in a frictionless right-angled corner. In the position…

A: The weight of an object is the total downwards force that gravitational force exerts on an object…

Q: 5. An object moving in the x-y plane has a position vector given by: 7 = (2t³ - 5t)i + (6 - t¹)ĵ (in…

A: Given  r→=(2t3-5t)i^+(6-t4)j^Required average velocity

Q: 25. In problem 24 (above), if total heat entered the container is 500 J, how much is the increase in…

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Q: checoefficient of ki

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Q: A horse pulls a cart with a force of 15 lb at an angle of 34° above the horizontal and moves along…

A: applied force (F) = 15 lb Angle (θ) = 34o above the horizontal Constant speed (v) = 6.7 mihr

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Q: 5.00 m 3.20 m 2.00 m Figure P8.3 3. A block of mass m = 5.00 kg is released from point @ and V…

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Q: is given by: (-4 + 2t2 + 1001 + 5) rad The magnitude of the angular velocity (in rad/s) of this body…

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Q: On earth, two parts of a space probe weigh 10600 N and 3780 N. These parts are separated by a…

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Q: With what velocity vo should a projectile be started at the center of the Earth to reach the surface…

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Q: Draw the vector

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Q: VECTORS х-component y-component A = 2.5 N, 40 degrees 1a 1b B = 3.2 N, 110 degrees 1d

A: Answers have been boxed.

Q: 6&7 please

A:

Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…

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Q: I need help with 14.

A: The mean density of moon is,

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Q: Express the force in Cartesian vector form. 53 F = 750 lb

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Q: 17-102. The 25-lb slender rod has a length of 6 ft. Using a collar of negligible mass, its end A is…

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Q: The distance between an object and its image formed by a concave mirror is d = %3D 21 cm. The…

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Q: Find the cross products of: 1. vector c x vector d 2. vector d x vector c when c = 12 and d = 14…

A: Cross product of two vector A̅ × B̅ =( AB sinθ ) n̂

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Q: wave paths to a distant screen are shown, leaving the slits at angle ₁. (The screen is so far away…

A: The wavelength of light is 624 nm.  (1) Every semi circle wavelet represents a wave front. Wave 1…