An airport is located  54  feet above sea level. Write a signed number to represent this elevation.

Q: 13. Compute for the total capacitance V2 200 V C8 50 μ C9 . 100 μ C4 C5 50 μF 100 μF O • 300 uF ● •…

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Q: the cut-off voltage versus frequency of incident light In an experiment on photoelectric effect, the…

A: Planck's constant defines the amount of energy that a photon can carry, according to the frequency…

Q: The cut-off frequency is the minimum frequency of light needed to emit electrons from a metal's…

A: When electromagnetic radiation having frequency greater than threshold frequency is incident upon a…

Q: Example: An electron in a television picture tube typically moves with a speed u = 0.25c. Find its…

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Q: 5. The frequency of violet light is 7.5 x 1014 Hz. How much energy does a photon of violet light…

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Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving down…

A: Given data:  Mass (m) = 4.0 kg Constant Speed (v) = 5.0 m/s, downward  Height (h) = 8.0 m g = 10…

Q: The gravitational force between two bodies is 6.67 × 10-7N when the distance between their centres…

A: Given data:  Gravitational Force (F) = 6.67×10-7 N Distance (r) = 10 m Mass of first body (m1) = 800…

Q: Two same charges are at a distance of 10 cm and exert a force of F=9.8 x 10 N on each other. (a)…

A: Given, distance between the charges, r = 10 cm force between the charges, F = 9.8×10-4 N

Q: A current of 2:3 A flows through a conductor for 4 s. What amount of charge passes through the…

A: GIVEN DATA Current through the conductor is I=2.3 A Time is t=4 s REQUIRED  We have find the amount…

Q: Directions of the fields are indicated on field lines. Why are no directions indicated on…

A: Directions of the fields are indicated on field lines. Why are no directions indicated on…

Q: Consider the following figure. (a) A conducting loop in the shape of a square of edge length ( =…

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Q: A sound wave is modeled with the equation y=1/4cos2π/3 θ. 1. Find the period. Explain your method.…

A: Given data: The given equation is, y=14cos2π3θ

Q: oppes A is plaed ontop copper weght of woed of a flonting piece water lied eine Such that the wood…

A: Given, Density of water=1000kg/m³ Density of wood=600kg/m³

Q: In the figure below, a climber with a weight of 720.6 N is held by a belay rope connected to her…

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Q: The big piston has an area that is 70 times that of the smaller piston. The man wants to exert…

A: big piston has an area that is 70 times that of the smaller piston. The man wants to exert enough…

Q: Equal masses of substance A at 18.2°C and substance B at 93.1°C are placed In a well-insulated…

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Q: Four years after publication of the Schrödinger equation, Lev Davidovich Landau, age 23, solved the…

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Q: A bag of wheat weight 300 kg .To what height should it be raised so that potential energy is 8680J?…

A: Answer:-  Given  Mass of a wheat bag (m) = 300 kg  Potential energy (P.E) = 8680 J  Acceleration due…

Q: 1. A baseball player leads off the game and hits along home run. The ball leaves the bat at an angle…

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Q: Spherical mirrors. Object O stands on the central axis of a spherical mirror. For this situation…

A: object distance (d) = +14 cm mirror type = concave mirror focal length of the mirror (f) = 22 cm

Q: Calculate the momentum of a car that has a mass of 2100 kg and a velocity of 15-1 m/s ?

A: Given data:  Mass (m) = 2100 kg Velocity (v) = 15.1 m/s Required: Momentum (P)

Q: Why is it important to use proper equipment in playing badminton?

A: Investing in quality badminton equipment might be the difference between being a good player and…

Q: Calculate the voltage if the resistance is 10-0 ohms and the current is 6-0 A ?

A: Given data :   The value of current   =  I  The value  of  Resistance  =  R        To find :…

Q: A crate of mass 80 kg is pushed along a floor with a force of 40 N for a distance of 10 m. Calculate…

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Q: What is an electric field, and what does it tell you?

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Q: %3D %3D Q4 Given k = 1500 N/m, k2 = 500 N/m, m1 = 2 kg and m2 = 1 kg. Find potential %3D energy…

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Q: A rickshaw puller pulls the rickshaw by applying a force of 150 N. If the rickaw moves with constant…

A: Given data :   Force   =  F    Velocity   =  V          To find :       Power of rickshaw puller

Q: The light from a mercury lamp is incident on a water film of refractive index 1.33 and thickness t =…

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Q: You are given a spherical mirror and wish to determine its properties. You place an object on its…

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Q: The Hall voltage across a piece of semiconductor is 5 V, the charge density of the semiconductor is…

A: A) The relationship between the Hall voltage and magnetic field in case of a semiconductor is given…

Q: mass of 10 kg is attached to the spring in problem 8. The spring is compressed by 2 cm and is…

A: 9) mass (m) = 10 kg compression in spring (d) = 2 cm Given in question 8 : "Energy stored in spring…

Q: Baldo and Bruno reached the top of a hill 30.0 m high when they went on hiking.  If Baldo is 90 kg…

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Q: 3. A wall with a thermal conductivity of 0.3 W/m-°C is maintained at 40°C. The heat transfe wall is…

A: We are authorized to answer one Question at a time, since you have not mentioned which question you…

Q: Question 5 In a diffraction grating experiment, you measure the spacing between the 1 order minima…

A: We have a diffraction grating with a first order (n=1) result at a separation of y=154.2 cm on…

Q: Two charged particles Qj=50 mC and Q2=0.05 C are separated by a distance d=10 mm (figure below).…

A: As two charges are of equal magnitude and distance of point P is also same, so their electric field…

Q: 1 You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s.…

A: Given that  M= 2.1kg  V = 30 m/s

Q: In a Young's double-slit experiment the wavelength of light used is 462 nm (in vacuum), and the…

A: wavelength of light used (λ) = 462 nm slit separation (d) = 1.2×10-6 m

Q: How many kilograms of steam at 100 • C must be added to 1.00 kg of ice at 0 • C to yield liquid…

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Q: How fast would a 30-kg kid need to run in order to have the same kinetic energy as an 8.0-g bullet…

A: Given Mass of thee kid is mk=30.0 kg Mass of the bullet is mb=8.0 g=8.0×10-3 kg Speed of the bullet…

Q: Find the kinetic energy of A ball of 414 g mass , moving at a velocity of 44 cm/s ?

A: Given data :    Mass  =  m   Velocity  =  V         To find :        Kinetic  energy

Q: 1. Consider each of the following situations, state which of the Newton's Laws of Motion BEST…

A: a) A person using a paddle to push a canoe forward is an example of the Newton's third law of…

Q: A car is moving on a straight road 17 m/s. It is acceleration at 23 m/s? . What will be it's…

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Q: How many of the following statements about the "electric current, I" are true? • The electric…

A: Electric current is the stream or flow of electrical charges like electrons or ions through a…

Q: Consider a nonconducting sphere and a concentric nonconducting spherical shell, shown in the figure.…

A: According to Gauss theorem E × 4πr2 = qenc /€0

Q: White light is a mixture of light of wavelengths b- 400 nm and 700 nm. If this light goes through…

A: We know that We have given that white light is a mixture of light of wavelengths between 400 nm and…

Q: A piece of metal is released under water. The volume of the metal is 31.00 cm and its specific…

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Q: If you boil water in a whistling kettle, the kettle whistle when the water reached  its boiling…

A: In this problem it is asking about why does kettle whistle when the water reached its boiling point.

Q: The system in the figure below is in equilibrium. The angles are 01 = 72° and 0, = 33°, and the ball…

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Q: A man shines a flashlight from a boat into the water, illuminating a rock as in the figure below.…

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Q: Ex(N) 80 50 25 X(m) 10 25 40 50 58 1) Work by a force, drawn on a graph, determine: a) The total…

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