The dimension of 1/2ɛ,E?(ɛ, permittivity of free space; E: electric field) is?

Q: • A convex mirror has a radius of curvature that has a magnitude equal to 24 cm. Use ray diagrams to…

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Q: At an intersection of hospital hallways, a convex spherical mirror is mounted high on a wall to help…

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Q: A heat engine operates between a cold reservoir at temp. T, = 300 K and a hot reservoir at temp. T1:…

A: We have a heat engine operating between a hot reservoir at temperature T1 and a cold reservoir at…

Q: Which of the following sub-atomic entities is involved in radioactive decay? O All of these can be…

A: In radioactive decay until stable nuecleus by emitting alpha, beta, Gama particles they become…

Q: e the magnitude and direction of the force on an electron travelling 8.75x10^5 m/s horizontally to…

A: Given Velocity of electron , v=8.75×105 m/s toward eastMaagnetic field, B=0.75 T is vertically…

Q: A pilot of mass m can bear a maximum apparent weight 7 times of mg. The aeroplane is moving in a…

A: Given data as per question Apparent weight  =  7mg velocity of aeroplane  =  210m/s

Q: (d) Assuming that the average magnitude of the Poynting vector for solar radiation at the surface of…

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Q: Half-mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from 20° C to 90° C.…

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Q: Which statement about the Refraction of light waves is correct? O All of theses are correct. O…

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Q: What will happen if a current directed upward is introduced into the wire in the figure belov xx xx…

A: Here, the wire will bend in the direction of magnetic force. So, we have to find the direction of…

Q: 4. What value resistor will discharge a 1.0 µF capacitor to 10% of its initial charge in 2.0 ms?

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Q: A 1.3 m wide door (mass 2.5 kg) is hinged at one side so that it can rotate without friction about a…

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Q: A rocket is fired vertically upward from the ground. The distance s in feet that the rocket travels…

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Q: Find the orbital speed of a satellite in a geosynchronous circular orbit 2.5 X 107 m above the…

A: The orbital speed of the satellite is 3562.8 m/s

Q: If an electron has an uncertainty in its velocity of 4.10 m/s, what is the uncertainty (in meters)…

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Q: Why is the sky blue? Our eyes are not very sensitive to violet light. O The molecules and atoms in…

A: The wavelength of the blue light is shorter than the other  visible light therefore blue light is…

Q: 2. De termine the largest W without exceeding a stress of 15 Mpa on tach wires, AR = 100 mm and Anc…

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Q: Humans can bite with a force of approximately 791 N. If a human tooth has the Young's modulus of…

A: The change in the tooth's lenght is 7.23×10-6 m.

Q: Calculate for 1, 12, and 13. Upload the solutions with answers. Please observe clarity and neatness.…

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Q: The following steps summarize the strategy for solving two-dimensional force problems that require…

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Q: Problem 2: 0.4 kg of ice at – 10°C are mixed with 0.2 kg of water at 50°C. The water and ice are…

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Q: Q3 A square wire of side 3.0cm is placed 25cm in front of a concave mirror of focal length

A: givenSide of square, a=3 cmObject distance, u=25 cmFocal length of concave mirror, f=10 cm

Q: A driver in a car traveling at 23 m/s slams on the brakes and skids to a stop. If the coefficient of…

A: Please see the answer below.

Q: Calculate the resistance of a carbon pole at T = 25.8 °C. Suppose that its resistance is 0.016 ohms…

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Q: In the Projectile motion experiment, the range (x) of the projectile is related to the initial angle…

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Q: Determine the electrical potential energy of the protons in a nucleus if it is assumed that the…

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Q: An object of mass 5.00 kg is subject to a force Fx that varies with the position as in the figure…

A: We need to find the work done by the force and hence the final speed of the object after it has…

Q: The mass of the steel ball is 45 g, the initial speed of the ball is 3.85 m/s and the angle at which…

A: Given in question:  Mass of ball(m) = 45 gram                                  Initial speed(u) =…

Q: A charge is 5000c and work is 40 j calculate the electric potential difference

A: Charge,q=5000 c Work, w=40 j Then potential difference = w/q =40/5000 v =0.008 v

Q: - A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity becomes 40 m/s…

A: Given data:  Initial velocity (Vi) = 30 m/s, towards East Final velocity (Vf) = 40 m/s, towards…

Q: Which one of these statements about spacetime is false? Waves can travel through spacetime. They are…

A: Time is considered as forth dimension in space time coordinates.

Q: The electric force between two protons A. is weaker than the gravitational force between them B.…

A: Given data:  Two protons separated at a distance  Required: The compression of electric force and…

Q: +Q 1 . 4 • 2 •3 6. Which points in this uniform electric field (between the plates of the capacitor)…

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Q: In the figure, two particles, each with mass m = 0.82 kg, are fastened to each other, and to a…

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Q: :The magnetic field exerts a magnetic force on a moving charge that is inversely proportional to the…

A: The 1st and 3rd statement are the same so i will be skipping the 3rd statement.

Q: Problem Two-block system is given below. The mass of block one is m- 4 kg and the mass of block two…

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Q: Find the density

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Q: An electron moving at 4.00 ✕ 103 m/s in a 1.25 T magnetic field experiences a magnetic force of 1.40…

A: Answer:-  Given  Velocity of electron (V) = 4.00 × 103 m/s  Magnetic field (B) = 1.25 T  Magnetic…

Q: A long straight wire suspended in the air carries a conventional current of 7 amperes in the -x…

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Q: Refer to the procedure part. Assume xcm= 50.0 cm, 150.0 g is suspended from a hanger clamp at the…

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Q: What is the change in temperature of 2.2 kg of the following substances if 8.5 x 10^3 J of thermal…

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Q: nght m (a) What is its frequency? |Hz (b) What is its wavelength in glass that has an index of…

A: Data  We have   Wavelength,λ =632.8nm=632.8×10-9m Refractive index of glass, n=1.58 To find  a)…

Q: Project 1 Tracking a falling object 400m/s The object is initially 40,000m above the radar and…

A: In projectile motion horizontal velocity of the particle does not change as there is no acceleration…

Q: Briefly explain different waves as evident from EEG.

A: Briefly explain different waves as evident from EEG

Q: 7. Two isolated and widely separated conducting spheres each carry a charge of -Q. Sphere 1 has a…

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Q: A simple pendulum consisting of a mass of 10.0 kg is pulled 8.0 cm from the vertical and released.…

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Q: 3. Find the electric field at location P in the image below P 45 Q

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Q: The greater the number of significant figures, the the uncertainty.

A: Definition of uncertainty: Uncertainty means that there is a range of possible values within which…

Q: aeo =g sin(0) calculate the following: • The mass of the glider expressed in SI units of mass is kg…

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Q: 20. A long, straight wire allows 3.50 A through it. What is the magnitude of the magnetic field 25.0…

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