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Q: The Empire State Building in New York City is 381 meters tall.  If a penny were dropped from rest at...

A: Given data The height of the building is given as s = 381 m. The initial velocity of the coin is ze...

Q: Having trouble deciding where to start on this problem. I tried coming up with a proof geometrically...

A: The ring is placed such that  and . Any point in the z-axis will be equidistant from all points on t...

Q: if you were given q 1 =6.7 nC , q 2 =-4.7 nC q 3 =8.5 nC , and a = 15.0 cm , then how would you go a...

A: HINT:) magnitude of electric field at a point “r” distance away from a charge “q” is given by E=kqγ2...

Q: 2) The separation (d) for the capacitor in Problem 1 is varied and the capacitance is meauresd for 5...

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Q: (a) Estimate the mass of the luminous matter in the known universe, given there are 1011 galaxies, e...

A: Average mass of sun is 1.989 × 1030 kg And protons in sun is 3.7×1038 

Q: Explain right hand rule 2.

A: The Fleming's right hand rule is used to find the direction of induced current in the circuit. 

Q: The half-lives of 235U and 238U are 7.04 × 108 years and 4.47 × 109 years, respectively, and the pre...

A: In this case Initially U2380=U2350 After time t , U238=13.7×U235 In this case, At=A0e-ktk=ln2t1/2

Q: What are prefix multipliers? List some examples.

A: Prefix multiplier is used to convert the unit from metric system to the power of ten. It is also kno...

Q: What is the average density of a neutron star that has the same mass as the sun but a radius of only...

A: r=Radius of star=86.234 kmm=Mass of star=Mass of Sun=1.989×1030 kgV=Volume of star=43πr3

Q: For a transverse wave on a string, the shape of the wave is described by y = (x2 + 2)-1.  Which one ...

A: The speed of the wave is 2 unit/sec The equation of the wave shape is given by: y=fx=x2+2-1 The sta...

Q: 15 A current of 25.0 A is supplied to an appliance that has a resistance of 5.75 Q. What is the pote...

A: From ohms law we know that applied voltage and current has some sort of proportionallity i.e v=IR he...

Q: 13.

A: Given:-            The surface change density at time t is:-                              σ = Q4πr2W...

Q: ) Mark bought a pizza of a radius of 0.5 m. A fly lands on the pizza and walks around the edge for a...

A: The angular displacement of the fly is calculated by using the formula θ=sr , where s=0.8 m is the a...

Q: 10. Determine the x and y component of the vector 30 N, 30° North of East.

A: The force is F = 30 N 30° North of East  

Q: Integrated ConceptsA 2.00-T magnetic field is applied perpendicular to the path of charged particles...

A: Given data: Magnetic field, B=2.00 T Energy of the proton, E=10 MeV

Q: The reflector of a search light is a : A) Convex mirror B) Concave mirror C) Plane mirror D) Cylindr...

A: When an object is placed at the focus of the concave mirror then the image is formed at infinity.

Q: There are four charges of equal magnitude q, = 92 = 93 = 94 = +2 nC located at the four points of a ...

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Q: The bending of light when it passes around a corner or a slit is due to ______.   A) reflection...

A: The bending of light when it passes around a corner or slit is due to diffraction phenomenon Diffrac...

Q: image 87

A: Given data The plate area A = 5.56 cm2 = 5.56 x 10-4 m2 The separation distance between the plate is...

Q: A gradual increase in loudness is known as: A) Crescendo B) Timbre C) Fortissimo D) None of the abov...

A: Gradually increase in loudness is known as Crescendo.

Q: Which of the following is not a vector quantity? A) Acceleration B) Electric current C) Force D) Vel...

A: The quantities which are determined by their magnitude and direction are called vector quantities. 

Q: Acceleration is the rate of change of A) Speed B) Velocity C) Jerk D) Jounce

A: Answer:   Acceleration: In physics, the term acceleration is described as the quantity which is equi...

Q: ______________ of a wave is the rate of transfer of energy per unit area perpendicular to the direct...

A: Intensity of radiant energy is the power transferred per unit area, where the area is measured on th...

Q: When an electron and positron annihilate, both their masses are destroyed, creating two equal energy...

A: According to the principle of conservation of momentum, the total momentum of the system must be con...

Q: What is decay series?

A: Decay series is defined as the series of decay of the radioactive elements is decomposed into differ...

Q: A 23.0-V battery is connected to a 3.90-µF capacitor. How much energy is stored in the capacitor? J ...

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Q: Find the current I1 in the circuit below using Kirchoff’s rules. R1 = 50 Ω, R2 = 5 Ω, R3 = 2.5 Ω, ε1...

A: Given values : R1 = 50 ohm R2 = 5 ohm R3 = 2.5 ohm E1 = 12 volts E2 = 24 volts   

Q: A doppler effect occurs when a source of sound moves   A) away from you B) towards you C) Both A &am...

A: The apparent change in the frequency of the light waves or the sound waves due to relative motion in...

Q: A string of length 60 cm is fixed at both ends.  The string cannot be made to vibrate with a standin...

A: Given          length of the string is 60 cm

Q: How do I solve this question

A: Newton's 2nd and 3rd equation is defined as  h=ut-12gt2v2=u2-2gh Here h is height, u and v initial a...

Q: Answer and illustrate the problem: A charge emanates an electric field of 112 N/C. If this field is ...

A: Given data: The electric field is E=112 N/C. The radius is r=38 μm. The angle is θ=84°

Q: What’s the answer

A: Question: if the air from near sound source isn't moving all the way to our ears or the window , the...

Q: What is a hydrogen-like atom, and how are the energies and radii of its electron orbits related to t...

A: Hydrogen like atom: Atoms with one electron and Z protons is known as Hydrogen like atom. For Hydrog...

Q: When you eat you are consuming______energy.

A: The energy any person or animal is consuming by eating or drinking is known as Calorie , which is th...

Q: An object moves uniformly around a circular path of radius 22.0 cm, making one complete revolution e...

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Q: The period of motion of an object-spring system is 0.235 s when a 40.76 g object is attached to the ...

A:

Q: What are dielectics and what are their uses?

A: Dielectrics are a type of insulators used in electronic components

Q: 50g of ice at 0°C is mixed with 50g of water at 80°C, what will be the final temperature of a mixtur...

A: The mass of the ice, mi=50 g   The mass of the water, mw=50 g   The specific heat of water, cw=1 cal...

Q: A solid piece of lead has a mass of 29.89 g and a volume of 2.67 cm3. From these data, calculate the...

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Q: Explain what do you mean by decay constant for the nuclide?

A: The decay constant for the nuclide is defined as the Probability of decay per unit time  λ is the de...

Q: (17 blanks) Calculate the efficiency of the Carnot Engine for ideal gas. Consider the figure below f...

A: Since you have asked multiple sub-parts, only the first three subparts are solved for you if you wan...

Q: A string of length 60 cm is fixed at both ends. The string cannot be made to vibrate with a standing...

A: Given- l = 60 cm String is fixed at both the ends.

Q: When a number of resistors are connected in series in a circuit, the value of current:   A) inc...

A: When the resistances connected in series, the equivalent resistance is given by  R = R' + R'' So, th...

Q: In the figure, suppose the switch has been closed for a length of time sufficiently long for the cap...

A: Given The resistance on R1  is R1= 12 kΩ=12×10-3 Ω. The resistance on R2  is R2= 15 kΩ=15×10-3 Ω. T...

Q: Consider the circuit shown in the figure below.  Here, R1 = 2.00 Ω, R2 =  10.00 Ω, R3 = 5.00 Ω, R4 =...

A:

Q: Answer the following. Round your answer to the right number of sig figs.   A) Serena Williams’ faste...

A: Part A: The speed in meters per second is given by:

Q: An electron and a mystery charge 5.3 × 10^−11 m apart attracts each other with a force of 2.61 × 10^...

A: Given that, The separation between an electron and a mystery charge, d=5.3×10-11 m The force of attr...

Q: Explain Lorentz force.

A: When a charge particle is moving n the electric and magnetic field a force is acting on it. The sum ...

Q: A coffee maker is rated at 1.20 kW, a toaster at 1.10 kW, and a waffle maker at 1.40 kW. The three a...

A: In a parallel circuit connection, the potential difference across each resistor is equal to the sour...

Q: How can you find the electric field at point X? And How much work would be required to move a positi...

A: Given,