Does the photoelectric effect prove that light is made of particles? Do interference experiments prove that light is composed of waves? (Is there a distinction between what something is and how it behaves?)

Q: A uniform solid 5.25-kg cylinder is released from rest and rolls without slipping down an inclined p...

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Q: A 6000 kg truck moving with a velocity of (11.26, 10.00) 'm/s collides with a 2500 kg car mdving at ...

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Q: Find the force (in N) of electrical attraction between a proton and an electron that are 5.7 ✕ 10−11...

A: Find the force (in N) of electrical attraction between a proton and an electron that are 5.7 ✕ 10−11...

Q: Example 3.1 The Cartesian coordinates of a point in the xy plane are (x, y) = (-3.50, -2.50) Find th...

A: Given, Cartesian coordinates, x=-3.5,y=-2.5

Q: A block of wood of length L = 21.0 cm, width w = 9.53 cm, and height h = 5.92 cm is just barely imme...

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Q: Show all working explaining detailly each step. Answer Q49 & 50

A: 49. Acceleration of particle executing simple harmonic motion is directly proportional to displaceme...

Q: The position s of a polnt (In feet) Is glven as a functlon of time t (In seconds). 4 4 - t-2 (a) Fin...

A: The position s of a point (In feet) Is given as a function of time t (In seconds). s = 4/t - 4/t2  ;...

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A: The field of a long solenoid is uniform _____   

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A: As light passes through one media to other, say A to B, the the frequency remains same, the waveleng...

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Q: When viewing your image in mirror, if you move towards the mirror at a speed v. What happens to the ...

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Q: A block of mass 500 g is attached to a horizontal spring, whose force constant is 25.0 N/m . The blo...

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Q: An optical fiber with circular cross section has refractive index 1.45. It’s surrounded by a claddin...

A: Data Given ,  Circular cross section refractive index     ( n1 ) = 1.45  Cladding with refractive in...

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A: Mass of metal x = m Mass of metal y = 4m Initial temperature of x = 0oC Initial temperature of y = 1...

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A: Alpha particle is a helium nucleus that comprises two protons and two neutrons, and the charge is tw...

Q: Light is incident on a plane mirror at an angle of 44° relative to the normal. What is the angle of ...

A: Given ,  Light is incident on a plane mirror at an angle of 44° relative to the normal . Means Incid...

Q: Tayab on his heavy bike drives for 2 h at 100 km/h and for 3 h at 30 m/s. His average speed will be_

A: Suppose Tayab on his bike travel distance (D1) & (D2) in kilometer in two different intervals of...

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Q: The values of the components in the circuit are L = 207 mH, R, = 430 N, R, = 380 N, and & = 10.0 V. ...

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Q: A flashlight uses batteries that add up to 4.5 V and has a power output of 0.35 W. (a) How much curr...

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Q: 21. A car moving with a velocity of 15ms accelerates uniformly at the rate of 20ms. Find (i) the tim...

A: GIven: initial velocity (u)=15m/s final velocity (v)=20m/s to find: i)Time taken(t)=? Formula used: ...

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Q: A student in the laboratory connects an 11 Ω resistor, a 26 Ω resistor, and a 37 Ω resistor in serie...

A: Given- Resistance (R1) = 11 Ω Resistance (R2) = 26 Ω Resistance (R3) = 37 Ω Battery (V) = 47 V

Q: which answer is correct

A: Given data Voltage v = 10 V Resistance R = 5 ohms

Q: Q.1: An electron boron atom moves from the fourth orbit to the first excited orbit. Calculate the wa...

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Q: A disk at rest experiences a constant angular acceleration for t = 35 s, at the end of which it is s...

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Q: Pleaseee help

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Q: How much does it cost to run a 1500-W hair dryer for 27 minutes each day for one month (30 days) at ...

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Q: 8.A particle is moving with a V Ct) = [(5.4) Ĉ t to.0)5 +(0€) ū I ya m/s Whatis the mgntude horizon ...

A: Given that, The velocity function of the particle is v→(t)=5.4i^+8.0j^+10t2k^ m/s

Q: Find the radius of the orbit of a synchronous satellite that circles the Earth. (A synchronous satel...

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Q: A car has an acceleration of 8.9 m/s2 and a weight of 21806 N. What net force is required for this c...

A: given, a = 8.9 m/s2 Weight = 21806 N = mg = m x 9.81 m/s2 m = 21806/9.81 = 2222.8 kg

Q: circuit? R R

A: Apply parallel combination formula

Q: An ultrasound wave bounces off a bone in a human body and back to the transducer in 3.1E-5 s. How fa...

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Q: As seen in the first part of the diagram above, a 0.50kg thin rod of 2.0m in length is suspended ver...

A: Given, mass of the rod=0.5 kg mass of the clay=0.2 kg velocity of the ball=3.75 m/s g=9.8m/s2 length...

Q: Q3: A: Determine the Miller Indices and planes of the following: 1/2 2/a 1/3 1/2

A: This question can easily be solved by applying the basic concept of Miller Indices  

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A: During ball of ball bearing initially it's velocity increases due to gravity  ,due to which retardin...

Q: You toss a conductive open ring of diameter d = 1.75 cm up in the air. The ring is flipping around a...

A: (given) Diameter (d) of conductive open ring = 1.75 cm                                              ...

Q: GUESTION 2 For the two light bulbs shown in Figure below, rank the current values at points a throug...

A: Power (P) = VI Therefore, I = P/V More the power more will be the current because current is directl...

Q: Show all working explaining detailly each step.

A: In the given question below, we have given some physical effects and behavior in both columns, first...

Q: A wheel (radius = 0.20 m) starts from rest and rotates with a constant angular acceleration of 2.0 r...

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Q: A 490-g squirrel with a surface area of 149 cm2 falls from a 5.9-m tree to the ground. Estimate its ...

A: Given Data : The mass of the squirrel is given as m = 490 g. The surface area of the squirrel is giv...

Q: A light ray incident on the interface between air and glass can undergo total internal reflection. I...

A: A light ray incident on the interface between air and glass can undergo total internal reflection. I...

Q: A model rocket is launched up with a thrust of 44.2 N. At one point in its upward flight, the air re...

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Q: Crickets produce a musical chirping sound at a frequency around 10,000 Hz (very high pitched)! The s...

A: Answer :-  Given   Frequency of sound (f) = 10000 Hz  Wavelength (λ) = 0.03 m  Speed of sound  = V  ...

Q: What is the force (in N) of gravity between two 1130 kg cars seperated by a distance of 27.0 m on an...

A: Data given, mass of two cars = 1130 kg means , m1 = m2 = 1130 kg distance between cars ( d ) = 27 m ...

Q: What is the momentum of a 2000 kg car travelling at 7 m/s?

A: Mass of car, m=2000 kg Velocity of car, v=7 m/s Let momentum of car be p.

Q: Show all working explaining detailly each step.

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