Recall that density is massdivided by volume Calculate the average density of the earth in g>cm3, assuming our planet is a perfect sphere.

Q: A block with mass 0.500 kg sits at rest on a light but not long vertical spring that has spring cons...

A: Given , mass of the block , m=0.500 kg Spring constant, k=80 N/m a. The force applied by the mass on...

Q: Since a net force is equal to mass times acceleration, and a net force is also equal to the rate of ...

A: F = ma and  F = dPdt thus ma = dPdt is true , actually ma comes from this relation as dPdt= d(mv)dt=...

Q: (1) A hydrogen atom is in a state with quantum number n = 3. In the quantum-mechanical description o...

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Q: The naked eye can detect a stellar object of sixth magnitude in the night sky. With binoculars, we c...

A: Given data: The brightness of the 30th magnitude star is B30=2×10-20 W/m2.  The area of the Hubble ...

Q: Understand ac power concepts, their relationships to one another, and how to calculate them in a cir...

A: Given Understand ac power concepts, their relationships to one another, and how to calculate them in...

Q: A cylinder measuring 7.8 cm wide and 9.4 cm high is filled with gas and the piston pushed down with ...

A: We know that Pressure =Force/Area The pressure in the gas is measured as =192kPa The piston is circu...

Q: A 400 Ω resistor and a 6.00 µF capacitor are connected in parallel to an ac generator that supplies ...

A: Given: The value of resistor is R=400 Ω. The value of capacitor is C =6 µF. The value of rms voltag...

Q: To stretch an ideal spring 3.00 cm from its unstretched length,12.0 J of work must be done. What mag...

A: The force required to hold the end of the spring at displacement x is F = kx The work that must be d...

Q: A comet has a period of 98.5 years and moves in an elliptical orbit in which its perihelion (closest...

A: Given :       Period, P = 98.5 years         98.5 years ×365 days1 year ×24 hours1 day×60 min1 hour×...

Q: 1. a) Show that if the pressure drop remains Constant, reduction of the Radius of the arteriole from...

A: According to Poiseuille's law P1- P2 = 8QηLπR4 where Q is flow of liquid ,R is radius of tube, L is ...

Q: Anna holds a 12 D magnifier directly in front of her eye to get a close look at a 19-mm-diameter pen...

A: Given: The power of a magnifier is P=12 D. The diameter of penny is d=19 mm. The distance of near p...

Q: A capacitor consists of two similar square aluminium plates, each 10 cm x 10 cm mounted parallel and...

A: The area of the plates is, A=10 cm10 cmA=100 cm210-4 m21 cm2A=0.01 m2 thus, the capacitance is, C=εo...

Q: T Total: 45 1 Spherical head 2 Torso and neck, etc. 3 Concha 4 Pinna flange 5 Ear canal and eardrum

A: Given: The "T" curve is as follows: Introduction: The outer ear acts as a filter or resonator and a...

Q: An insect 3.75 mm tall is placed 22.5 cm to the left of a thin planoconvex lens. The left surface of...

A:

Q: a) What is a binary star system? (b) describe briefly two methods for showing that a system is a bin...

A: (a) A binary star system is a system of two stars orbiting each other around a common center. Binary...

Q: To maximize the moment of inertia of a flywheel while minimizing its weight, what shape and distribu...

A: The moment of inertia is defined as the summation of product of mass and square of its distance from...

Q: Support Vector Machines ( SVM) . The Mercer kernel used to solve the XOR problem is given by k(xi, x...

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Q: According to Bob, an observer on Earth, a rocket carrying Martha from Earth directly to the planet Z...

A: Given: A rocket carrying Martha travels at the speed v = 0.8 c The time is taken by the  Martha to r...

Q: A box with mass m sits at the bottom of a long ramp thatis sloped upward at an angle a above the hor...

A: Given: The initial speed of box when it moves in the upward direction is u=v0. The final speed of b...

Q: Two coils are wound around the same cylindrical form, When the current in the first coil is decreasi...

A: (a) The induced emf in the second coil is ε2=Mdidt Here, ε2 is the magnitude of emf induced in the s...

Q: Make a sketch of the trajectory of a ball after it has been thrown. Draw the ball in at least five d...

A: (1) Introduction: A projectile is an object upon which the only force acting is gravity. There are a...

Q: You connect a block to a spring, compress it a set distance, and release it so that it bounces back ...

A: Suppose spring is compressed by length d from its normal position. Let's assume mass of the block is...

Q: The bonds between hydrogen and boron are predicted to be

A: Here , The bonds between the hydrogen and boron is covalent bond.

Q: Derive seckure tetrode equation

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Q: A 100 kg block of ice slides down an incline that is 5m long and 3m tall. Someone pushes up on the b...

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Q: Moseley found experimentally that the equation describing the frequency of the La spectral line was ...

A: Moseley's law gives a relationship between the frequency of the emitted x-rays and the atomic number...

Q: A block of mass m and a block of mass 3m are used to sandwich a massless spring with spring constant...

A: Given masses of blocks are  m and 3m Let vm is the velocity of mass m and v3m is the velocity of mas...

Q: A squirrel has x- and y-coordinates (1.1 m, 3.4 m) at time t1 = 0and coordinates (5.3 m, -0.5 m) at ...

A: Part (a) Given: The position co-ordinate at t1=0 s is 1.1 m,3.4 m. The position co-ordinate at t2=3...

Q: The periodic current shown is applied to a 1 kΩ resistor. Calculate the exact value of the average p...

A: Given: To Calculate the exact value of the average power dissipated in the 1 kΩ resistor.

Q: A parallel plate capacitor has 3 dielectrics with relative permittivities of 5.5, 2.2 and 1.5 respec...

A: C = ε0A/(d1/εr1 + d2/εr2 + d3/εr3)  = ((8.854 x 10-12 )x (100 x 10-4))/(10-3/5.5 + 10-3/2.2 + 10-3/1...

Q: Please answer both parts of the question using the data given.

A: (a) The shaded area under the curve is the area of a rectangle ∫h0hfFdy=LH∆U=hf-h0mg∆U=mg∆h

Q: A cow is leaving the barn as you try harder and harder to push her back in. In coordinates with the ...

A: Work done by the variable force on the system is given by Where x1 = Initial position, x2 = Final p...

Q: Monochromatic light from a distant source is incident on a slit 0.750 mm wide. On a screen 2.00 m aw...

A: The wavelength of the light is θ1=λa  (1) Here,θ1  is the angle of the line from center of slit to f...

Q: Starting from a pillar, you run 200 m east (the +x-direction) at an average speed of 5.0 m>s and ...

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Q: Consider the observable N with eigenvalues wi and corresponding eigenvectors w;). The expectation va...

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Q: The equation for the electrical conductivity in terms of electron velocity is dv + = -eE. Using this...

A: Momentum is given by, p=mv Using the above equation, dpdt=-eE-pτ Steady state solution is, pt=pωe-iω...

Q: The mass of the charged pion is 140 MeV/c2. Determine the range of the nuclear force if the pion is ...

A: Given: The mass of the charged pion is m=140 MeV/c2. The expression for the range R of nuclear for...

Q: Based on the switch [p, x] = ħ/i, prove the validity of the following switches by assuming that the ...

A: Since you have posted question with multiple  sub-parts. We will solve first three sub-parts for you...

Q: On a separate occasion, Michael threatened to jump from the roof of hisoffice building as a demonstr...

A: (a) final velocity  v=u+gt=0+9.8 m/s21.2 s=11.76 m/s≈12 m/s

Q: Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.80 * 106 N, one 14° ...

A: The magnitude of the force acting on the supertanker is,Ftungboat1=Ftungboat2=F=1.80×106N           ...

Q: Consider a wedge that is 30 cm long and 8 cm thick. Wedge's attenuation is 0.3 /cm. Derive the equat...

A: The amplitude (Ay) of an electromagnetic wave exponentially decays from the incident amplitude (A0) ...

Q: Converging lenses A and B, of focal lengths 8.0 cm and 6.0 cm, respectively, are placed 36.0 cm apar...

A: For lens A, vA=uAfAuA+fA=-12.0 cm8.0 cm-12.0 cm+8.0 cm=24.0 cm Magnification of the image produced b...

Q: An object of mass 4.0 kg starts at rest from, B, at the top of a rough inclined plane of height 10 m...

A: The velocity of the object at top of the plane is  u=0. The work is done by the force of friction wh...