What is the earth's rotation?

Q: SnowT is an exoplanet orbiting star 27 Kood. If the planet’s orbital period is 3.75 days and 27 Koo...

A: time period T2=kR3

Q: Calculate the gravitational potential energy of a 10.5 kg box on a shelf 5.0 m above the floor. Assu...

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Q: At 20∘C, a brass cube has an edge length of 25 cm. What is the increase in cube's surface area when ...

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Q: Using only the properties of the gamma matrices (that is, independently of repre- sentation), obtain...

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Q: 4. A 200 kg boulder slides down a hill. At the bottom of the hill its velocity is 2.2 m/s. a. What i...

A: Mass of boulder slide =200kg Velocity at bottom = 2.2m/s

Q: 1) An acoustic source is placed in deep water (assume there are no boundaries) and its source level ...

A: Given TS = - 5dB  detection threshold =3dB We have to find the source level be in dB that is 52 db

Q: Question #: 9 In the figure, four point masses are placed as shown. What is the x coordinates of the...

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Q: How much current is flowing in a wire 4.70 m long if the maximum force on it is 0.675 N when placed ...

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Q: Below are a number of situations involving circular motion. In each case, identify the source of the...

A: The adhesive frictional force between the molecule of the mud and the Tyre provides the force that p...

Q: A particle of mass 4.0 kg is constrained to move along the x-axis under a single force F(x)=−cx3, wh...

A: Mass, mj 4 kg  F = - cx3, where c =is 8 N/m3 Speed at v X = 1 m is v = 6 m/s At x = - 2 m, v =? 

Q: Three capacitors are connected to a battery as shown in the figure below. Their capacitances are C, ...

A: Given that:- C1=3C, C2=C and C3=5C

Q: How many electrons are needed to form a charge of –2.0 nC? b. How many electrons must be removed fr...

A: Given data:  Charge (Q) = -2.0 nC = -2.0×10-9 C Required: Number of electrons (n) 

Q: 3. Consider the electric field between two parallel plates to be uniform, i.e., same magnitude and d...

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Q: You shout the word "hello!" into an idealized echo tube. Five seconds later, the "hello!" returns to...

A: speed of sound (v) = 340 mstime taken to hear the echo (t) = 5 seconds Let the length of echo tube =...

Q: Combine the following three velocity vectors to find the resultant vector. vector A = 22 m/s at 10 ...

A: Given that:- Three vectors A, B and C are given in the question.

Q: a 8 μf parallel plate capacitor with a dielectric has a charge of 543 μc on each plate. the distan...

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Q: Activity 1: Equipotential lines Draw the equipotential lines on the following electric fields.

A: Given,

Q: Three charges, lie along the x axis as shown: q1 = 6 µC, q2 = -2 µC. Determine the magnitude and dir...

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Q: 3) m, = 8.5 kg O = 33° m, To keep the mass from accelerating, a spring is attached with spring const...

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Q: Use gauss's law to find the electriç field inside and outside a spherical shell of radius R, which c...

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Q: What is the speed of an electron with kinetic energy (a) 750 eV, and (b) 3.2 keV?

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Q: magnetic energy stored by a 4.56 mH inductor when the current through it is 10.3 A

A: Given  Self inductance L = 4.56 mH = 4.56 × 10-3 H  Current I = 10.3 A 

Q: (5 blanks) What is the maximum possible efficiency (in Percent) of a steam engine working between a ...

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Q: An infinitely long line of charge has a linear charge density of 5.50×10−12 C/m. A proton is at a di...

A: Given: The charge density of the line charge is 5.5x10-12 C/m. The initial distance of the proton fr...

Q: An energetic father stands at the summit of a conical hill as he spins his 24 kg child around on a 5...

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Q: a sphere that is negatively charged hangs from a string that is attached to a negatively charged pla...

A: Given that:- Mass of sphere=4kg

Q: A capacitors has 1 x 10^-10 Farads. The capacitor has parallel plates with a vacuum in between the p...

A: The answers are below

Q: Explain how would you relate the learnings about "Capacitors and Capacitance" to real-life situation...

A:  Capacitor  is a device which stores  electrical energy and releases it instantaneously when require...

Q: A 2.0-kg aluminum block is originally at 10 degrees celcius. If 36 kJ of energy are added to the blo...

A: Given that:- Mass of aluminium=m=2kg

Q: Suppose you have a machine with a metal disk in it mounted to spin about its center. If the disk has...

A: Given Data: The radius of the disc is: r=0.7 m The mass of the disc is: m=5 kg The spinning action o...

Q: Determine the current I in each of the circuits below. a 2.0 A 0.5 A 4.0 A 1.0 A 2.0 A 0.7 A [1] 0.5...

A: The answers are below

Q: (4 blanks) An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 °C and ...

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Q: A 1.00-kilogram sphere M, from point P, is lifted to a height h. The sphere is released and passes t...

A: Given  Mass m = 1 kg  Speed at lowest point = 10 m/s  Length of string l = 10 m 

Q: An opaque cylindrical tank with an open top has a diameter of 3.25 m and is

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Q: Problem 6: A football is punted from the ground, it passes through the apex of its flight, and it be...

A: Given,vhorizontal = 16.5 msvvertical = 2.25 ms

Q: Astone iscataputed at timet-awithaninitalvelocityofmagitude 210mandatanange of2above the horiontal W...

A: Hi there! Since there are multiple subparts in the question posted and it is not mentioned what is t...

Q: An engineer must design a runway to accommodate airplanes that must reach a velocity of 61 m/s befor...

A: Above problem can be solved by three equation  v = u + at v² = u² + 2as s = ut + ½at²

Q: Three identical point charges with charge q = +3.0 µC are placed at each vertex of an equilateral tr...

A: The resultant can be calculated with with parallelogram law of forces as shown

Q: A 96.76 kg man walks up 12 stairs, each of which is 18.77 cm high, in 2.62 s.  Assuming he can gener...

A: Given that:- Mass of man=96.76kg

Q: According to present theories of light, in some experiments light seems to be:

A: according to present theory of light .  light can behave like a particle as well as wave   

Q: 2. A circuit has 10 ohms of resistance and 20 amps of current. A how much voltage would be necessary...

A: Given that                        The circuit has the resistance (R) = 10Ω                        Cu...

Q: 2. An electron is trapped in an infinite potential well of width 1 cm. For what value of n wl electr...

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Q: A car starts from rest and foes down a slope with constant acceleration of 5m/s2. After 5s, the car ...

A: Given data :- initial velocity u = 0 m/s time taken to reach the bottom  t = 5 s acceleration a = 5 ...

Q: Suppose a particle of mass m is in a region where its potential energy varies as ax4, where a is a c...

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Q: An electron is placed very close to the negative plate of a parallel plate capacitor. This electron ...

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Q: A person who happened to be walking barefoot on wet ground near an electrical transmission tower dur...

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Q: Your sister kicks a ball on the ground at a 20⁰ and it lands 28.3m away on the ground. What was the ...

A:   Given that, Angle of inclination (θ)= 20° Range (R)= 28.3 m Let the resultant (net) velocity that ...

Q: A large cannon is fired from ground level over level ground at an angle of 30 degrees above the hori...

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Q: Consider the inelastic collision of truck with a staionary car.  The truck has a mass of 10,000 kg. ...

A: If two bodies of mass m1 and m2 with respective speed v1 and v2 collide inelastically, then after co...

Q: identify the source of the force needed to keep the objects in question moving in their circular pat...

A: For any object to be in a stable circular orbit the object should be under the influence of a centri...