Light is refracted through unknown material. If the angle of incidence is 62°, and the angle of refraction is 62/2°, what is index of refraction of the material?

Q: Identify an everyday application of ultraviolet waves.

A: Ultraviolet Rays the Electromagnetic waves with wavelength range of 100nm to 400nm.

Q: At an accident scene on a level road, investigators measure a car’s skid mark to be 112 m long.  It…

A: The acceleration of the car from applying the brakes to coming to the rest can be found from…

Q: Considering a neutron star as a degenerate gas of non-interacting, non-relativistic degenerate…

A: A neutron star may become black hole if it exceeds the Schwarzschild  radius.  The Schwarzschild…

Q: 2) Ray decides to paint the outside of his uncle's house. He uses a 4.0-m-long board supported by…

A: Given That                      Length of the board = 4.0m                     Mass Of the Board =…

Q: 3. A car's bumper is designed to withstand a 4.0-km/h (1.12-m/s) collision with an immovable object…

A: Given data:  Initial velocity (u) = 1.12 m/s Final velocity (v) = 0 m/s Mass (m) = 900 kg Distance…

Q: Explain the basic characteristics of a Butterworth filter and how the characteristic is achieved.

A: The filter is an electric n/w in any circuit theory, that used to change either phase or amplitude…

Q: et torque of 36.0 Nm is applied to a potters wheel rotating about a fixed axis. The applied force…

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Q: An American football player pushes horizontally (with a force of 91 N) on a heavy dummy bag…

A: F1 = 91 N F2 = -x3 + 3x2 + 91d1 = 3.8 m d2 = 3.8 m

Q: Show that the magnetic force does not produce work.

A:

Q: Question 12. A water slide is constructed so that swimmers, starting from rest at the top of the…

A: Introduction: 1) Potential energy stored inside an object due to it's height with reference to…

Q: 1. Using the principle of conservation of mechanical energy, determine the speed of the block with a…

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Q: How much thermal energy is required to increase the temperature of a 390.00g sample of water from…

A: Given data:  Mass (m) = 390.00 g = 390.00×10-3 kg Initial temperature (T0) = 15.00°C Final…

Q: A bus is travelling along a straight road at 25 m/s (90 km/h) when the driver sees a deer on the…

A: At t= 0, velocity of bus is 25meter per second After applying constant deceleration bus stops So…

Q: A net force of 1,251 N accelerate a car from rest to 82.61 km/h in 5.961 seconds. What is the weight…

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Q: A pitcher throws a stone horizontally from the top of a cliff 45 m high. Use g=10 m/s2 How long does…

A: Given data:  A stone is thrown horizontally from the cliff  Height (h) = 45 m g = 10 m/s2,…

Q: What is the distance (labeled by "?" in the figure) from the horn to the diver?

A: Time taken by sound to travel through air is t1 = distance/ speed of sound in air taking the speed…

Q: A soccer ball hits the goalie's hands with a horizontal velocity of 38 m/s. The mass of the soccer…

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Q: rank for magnitude of $Bids d Uniform current in shaded

A: Rank  of magnitudes area

Q: Waves on a string are described by the following general equation y(x, t) = A cos(kx - wt). A…

A: In this case first we find wave number after that we calculate frequency of wave

Q: The average professional baseball pitcher can pitch the ball at speeds of 40.7 m/s. If the baseball…

A: As per guidelines, only first question is solved here. 1. Given, Average speed of ball , v = 40.7…

Q: The velocity of a vibrating object changes as a function of time as…

A: Given, v=−(0.6m/s)cos(2πt)   We need to find,  The position as a function of time=?

Q: Solved Problem: You've just been involved in an accident in which the damage is significant but none…

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Q: a box with the mass m = 2.60 kg, starting from rest, falls a vertical distance h = 55cm before…

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Q: Calculate the most probable speed, average speed, and rms speed for oxygen (02) molecules at room…

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Q: One mole of an ideal gas, initially at 310 K, is cooled at constant volume so that the final…

A: Work is done on a gas only when there is a change in volume. so in the first process, work done is…

Q: On Apollo missions to the Moon, the command module orbited at an altitude of 110 km above the lunar…

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Q: Consider a 280-m2 black roof on a night when the roof’s temperature is 30.5°C and the surrounding…

A: Given data, Area A=280 m2 Roof temperature Tr=30.5 °C=303.5 K Surrounding temperature Ts=14.5…

Q: An aluminum ring of radius r₁=5.00 cm and a resistance of 3.95 x 10-4 is placed around one end of a…

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Q: 10. A singly ionized helium atom is in the ground state. It absorbs energy and makes a transition to…

A: Energy levels of He ion are given by En=-13.6Z2n2eV

Q: uppose we have 3 capacitors with each capacitor having a capacitance value of 1C. What is the C…

A: Given: three capacitor with capacitance 1C To Find: equivalent capacitance when both are series and…

Q: (CN-1) Consider two complex numbers: z₁ = 2 + 4i and z₂ = 9 - 6i (a) Calculate the following: |z₁|²…

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Q: 9. A spaceship that is 50 m long as measured by its occupants is traveling at a speed of 0.1c…

A: It is given that the length of the spaceship is L0=50 m measured by the observer with a speed…

Q: An object is moving south at a speed of 6.8 m/s and with a mass of 27 kg. A second object of mass 18…

A: Taking the north direction as positive and south direction as negative , the velocities of object 1…

Q: 1. A torque of 35.0000 Nm is applied to a grinding wheel with moment of inertia 30.0000 kg m² for…

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Q: obtameu us Practice Problem: If the car in Example 2.5 maintains its constant acceleration for a…

A: Given data:  Initial position (x0) = 0 m Initial velocity (v0x) = +15 m/s Acceleration (ax) = +2.0…

Q: What is the pressure at the bottom of the tank when it is filled with water as shown, in kPa…

A: The depth of the watrer is h = 3-2 m = 1 m   The net pressure on it will be the atmospheric pressure…

Q: Use the worked example above to help you solve this problem. The near point of a patients eye is…

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Q: The electric field of a plane electromagnetic wave is given by Ex = + 90 sin(k z + 449 t) V/m with…

A: Given:The only non zero component of electric field of an EM wave is Ex = +90 sin(kz+449t)…

Q: A current I flows in a very long cylinder of radius R. The current is distributed volumetrically, so…

A: The magnetic field produced by an electric current is proportional to the size of that current, with…

Q: A small, 0.300-kg bird is flying horizontally at 3.65 m/s toward a 0.750-kg thin bar hanging…

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Q: Learning Goal: To understand how various thermodynamic quantities describing a gas change during the…

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Q: A 250 resistor is connected to an AC source with Eo You may want to review (Pages 906-908). = 6.00…

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Q: A 2.00×10-2 Ω square wire loop 40.0 cm on a side has its plane normal to a uniform magnetic field of…

A: Introduction: Faraday's second law of electromagnetic induction states that an emf is induced in a…

Q: A smal block of mass 137 g starts at rest at A at a height of y=7.2m slides to where to speed is…

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Q: 2) A 20.0 g marble is dropped from rest onto the floor 1.96 m below. a) If the marble bounces…

A: mass of marble = 20 g m = 0.02 kg h = 1.96 m

Q: In the process of loading a ship, a shipping container gets dropped into the water and sinks to the…

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Q: A circular brass plate has a diameter of 2.43 cm at 20°C. How much does the diameter of the plate…

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Q: Calculate the Packing factor for hexagonal closed- Packed Structure ?

A: Solution: Given that the hexagon and the Base area of a regular hexagon =6×3 r2 Height of the unit…

Q: #1 - A capacitor has a peak current of 330 μA when the peak voltage at 250 kHz is 2.2 V. a) What is…

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Q: In the figure, an open tank contains a layer of oil floating on top of a layer of water (of density…

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