A ray of light has a wavelength of 400 nanometers. What is its frequency?

Q: The system is released from rest with no slack in the cable and with the spring stretched 290 mm. De...

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Q: 1. If in the process of rubbing the lenses of the eveglasses, 6.28 x 10 10 electu transferred, a. wh...

A: a)           The charge of the lenses                      q = Ne Given that                    N = ...

Q: A helium-filled weather balloon has a 0.90 m radius at liftoff where air pressure is 1.0 atm and the...

A: We use the ideal gas law to solve this question. Ideal gas law is mathematically written as PV = nRT...

Q: If two -6 uC experience a force of 0.03 C/m, how far are they from one another? If two +3.4 uC expe...

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Q: Calculate the currents in each resistor. R5 20 12V I2 = R1 50 I3 = R2 80 28 V Is = R3 30 R4 10 22 V

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Q: How far (in km) is 3.5 lightyears(ly) – the distance traveled by light in one Earth year? - How muc...

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Q: 5. Conservation of Momentum (Collision) & Mech. Energy. in a block with mass 0.992 kg that rests on ...

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Q: Coleulaute the gravitational Potential energy of a 12.6 kg box on a shelf 4,0m above the fJoo. Assus...

A: We know thatU=mghHereU=potential energym=mass of objectg=gravity accelerationh=height from refrence ...

Q: 1.3. If pulse 1 were reflected from a wall, which one of the patterns above would represent the refl...

A: This question is based on waves topic. Depending upon the surface or the end from which a wave is re...

Q: Consider an idcal gas of n moles with molar specific heats cy and cp. (a) Starting with the first la...

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Q: A vibration platform oscillates up and down with a fixed amplitude of 8.4 cm and a controlled freque...

A: the maximum acceleration of platform should be more than g in order for rock to lose contact with su...

Q: Why are capacitors typically cylindrical in shape?

A: The capacitor is a device that is used to store electrical energy in an electric field. It is a pass...

Q: Given data : Work done=400 N Force=30 N

A: We know thatWork done=force×displacement

Q: A student throws a water balloon vertically downward from the top of a building. The balloon leaves...

A: The relation between change in velocity of a body thrown downwards is given by v= u+gt, where v = fi...

Q: disk rótates with a constant angular acceleration of 2.80 rad/s2. It starts from rest at t = 0, and ...

A: Gievn diameter d= 47.4cm Radius r= 23.7cm =0.237m We have to find the angular speed and linear veloc...

Q: A spherical ball is thrown vertically downward With an initial the speed of 11.35 m/s from the top o...

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Q: Formal Solution: A long straight wire (with negligible resistance) is connected to a 10.0V power sup...

A: The fist question looks incomplete. Hence we solve the second question.

Q: An electron is placed in a uniform electric field of (50 nN/C) directed north created by two horizon...

A: Uniform electric field between the parallel plates E=50 nN/C=50*10-9 N/C and distance between them d...

Q: The next six questions pertain to the situation described below. A point charge q --3.4 µC is locate...

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Q: An elevator weighing 22.200 kN moving downward with constant acceleration travels a distance of 30 m...

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Q: An athlete pulls box E using an inextensible rope P while being resisted by another inextensible rop...

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Q: The light emitted by a helium-neon laser has a wavelength of 632.8 nm in air. As the light travels ...

A: wavelength of light emitted by helium - neon laser in air = 632.8 nm refractive index of ethyl alcoh...

Q: 1. A spray can is used until it is empty except for the propellant gas, which has a pressure of 1344...

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

Q: A vector has a magnitude of 1.3 and is in quadrant I with an angle of 17.4" with respect to the +y-a...

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Q: *1.3 PQ1 For each of the following units, list the primary dimensions: kWh, poise, slug, cfm, cSt.

A: kWh : it is the unit in the category of energy  , Here W is the unit of Power and h is the unit of t...

Q: 7. Which of the following is the condition for the three-force theorem in mechanics? a. The force sy...

A: 7. Three forces should be in the same plane , equilibrium

Q: An experimental rocket sled weighs 5760 lb and is propelled by six rocket motors each with an impuls...

A: The value of the time average R of the total aerodynamic and mechanical resistance is 513.59 lb

Q: A car is traveling at 26.0 m/s when the driver suddenly applies the brakes, causing the car to slow ...

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Q: an organ pipe whose length is held constant resonates at a frequency of 224 Hz when the air temperat...

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Q: What is the total sound level produced by the combination of an 80 dB sound and an 85 dB sound?

A: Sound level β in decibels is given by, β=10 logII0 where I is intensity of the sound and I0 is the t...

Q: Mass of ball=2.1 kg Velocity of bas=2.2 m/s Determine kinetic energy

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Q: th a con tant angular acceleration of 2.80 rad/s2. It starts from rest at t = 0, and a line drawn fr...

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Q: What is the efficiency of a Carnot engine when it gets heat from its hot reservoir at 675K and expel...

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Q: CA Car oounds a CUSIVE at 15 /s of ide acceleration in ms2 25-mradiux The magnitade

A: Given data :             Speed  =  V            Radius  =  R          To find :               Accele...

Q: N VBR 3 60 45° FBE W -E VRE S The river is flowing east at 5.00 km/h and the boat is traveling 45.0°...

A: We split the velocities of the river and the boat into X- and Y-components. Then we find the net vel...

Q: Coleulate the gravitational Potential of enerigy a 12.6 kg box on a above the floot. Assusine that t...

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Q: A spherical ball is thrown vertically downward With an initial the speed of 11.35 m/s from the top o...

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Q: How much energy is imparted to an electron as it flows through a 20 V battery from the positive to t...

A: Given: particle = electron charge q =e = 1.6*10-19 C potential V = 20 V

Q: Calculate the displacement and velocity at times of (a) 0.500, (b) 1.00s, (c) 1.50s, and (d) 2.00s f...

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Q: Problem No. 1: Determine the resultant force applied to the eyebolt by the three cables, using a Car...

A: This question is based on Vectors Topic. We need to find the Resultant Force, the Resultant force is...

Q: calculate the highest speed a car can reach over a 196.85 foot distance starting from a standstill. ...

A: GivenDistance travelled by car, s=196.85 foot=60 mThe weight of the automobile is not uniformly dist...

Q: 1. A point particle of charge 2.5 x 109 C and a mass of 3.65 x 10*7 kg in uniform electric field dir...

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Q: Two horizontal parallel plates are separated by a distance of (167) creating an electric field of (3...

A: Given : Separation between plates (d) = 167 mm Electric field between plates (E) = 30

Q: A child pulls a sled upon snow covered hill. The child dose 315 J of work on the sled . If child wal...

A: Given data:  Work done (W) = 315 J Displacement (d) = 15 m Required: Force (F) 

Q: A particle journeyed 80 miles between point 1 and point 2 at 40 mi/h and then another 120 miles betw...

A: R12 = 80 miles V12 = 40 miles/hour R23 = 120 miles V23 = 70 miles/hour To find = total time taken to...

Q: Suppose that the liquid film in Fig. 7-4 has temperature variations that are large enough to alter t...

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Q: Mass of ball=2.1 kg Velocity of bas=2.2 m/s Determine kinetic energy

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Q: PROBLEMS: Find the V across, I through, and P used by each resistor in the following simple circuit....

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Q: A child pulls a sled upon snow covered hill. The child does 400 J of work on the sled. If child walk...

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Q: Directions: Write the letter of the correct answer on your answer sheet. 1. A point charge of 2.0 uC...

A: Solution 1. Given charge q =2.0 μ C                                          So electric flux φe due...