An airplane’s compass indicates that it is headed due north, and its airspeed indicator shows that it is moving through the air at 240 km/h. If there is a 100 km/h wind from west to east, what is the velocity of the airplane relative to the earth?

Q: 3. A car travels along a straight line at a constant speed of 72.0 km/h for a distance x and then an...

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: 1. a) Given a scalar field V = 2xy - yz + xz ; find the vector representing the direction and the ma...

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Q: *PLEASE ANSWER Questions #2 and #3* 1) A car is waiting at a stoplight. The car has a mass of 1200 k...

A: 2) Acceleration = 1.5 m/s2    

Q: (COLLAB) Simulate the motion of an idealized projectile in PhysLab. What is the range of the shuttle...

A: Time of flight y=y0+uyt-12gt2y=y0+usinθt-12gt20=1.9384 m+8.9875 m/ssin47.3593°t-1212.0955 m/s2t26.04...

Q: The speed 72 km/hour. What is the in-SI system of units?

A: The SI unit of speed is m/s.   Where m = meter,  s = second

Q: Does it work? Will hanging a magnet in front of an íron cart make it go? Explain why or why not.

A: According to Newton's first law of motion, when there's no force acting on a object, then the body r...

Q: 5 A chemical reaction is carried out in a calorimeter with the following heat capacity (C = 263.8 J/...

A: Heat exchanged when a substance undergoes a change in temperature ∆T is given by, q = C∆T where C is...

Q: Please answer very soon

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Q: 3) Two skydivers are playing catch with a ball while they are falling through the air. Ignoring air ...

A: (3) Since air resistance is neglected, both the ball and the sky diver experience the same gravitati...

Q: The radii of atomic nuclei are of the order of 5.0 * 10-15 m. (a) Estimate the minimum uncertainty i...

A: Part-a Given: Radii of atomic nuclei ∆x = 5×10-15 m.  

Q: 2.66 x 10-26 kg) is traveling inside a An oxygen O²- ion (m mass spectrometer with a speed of 42.5 k...

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Q: On September 8, 2004, the Genesisspacecraft crashed in the Utah desert because its parachute did not...

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Q: You throw a small rock straight up with initial speed V0 from the edge of the roof of a building tha...

A: The kinematics equation is given by vy=vy,0+ayt At maximum height velocity is zero so 0=V0-gTmaxTmax...

Q: A lead block of volume 0.16 m3 is suspended from a spring scale and immersed in a flask of water. Th...

A: Given, Volume is 0.16 m3

Q: The electrical conductivities of most metals decrease gradually with increasing temperature, but the...

A: Most metals have positive temperature of coefficient of resistance implying that their electrical re...

Q: When you fly in an airplane at night in smooth air, you have no sensation of motion, even though the...

A: From Newton's second law of motion F→=mdv→dt

Q: On two occasions we have used the gravitational selfenergy of a uniform sphere of mass M and radius ...

A: Given On two occasions we have used the gravitational self-energy of a uniform sphere of mass M and ...

Q: A 30-kg box is being pushed along a horizontal smooth surface. The pushing force is 10 N directed at...

A: Given mass of box m=30kg Acting force F=10N at angle θ= 25⁰  

Q: 11.15 A cylinder is separated into two compartments by a free sliding piston. Two ideal Fermi gases ...

A: Using the expression for fermi energy, EF=ℏ22m6π2ngd23                     Number density, n=NV Ther...

Q: The Wheatstone bridge in the circuit is balanced when R3 equals 3000 ohm. If the galvanometer has a ...

A: First to find the open circuit Voltage let's remove the galvanometer. Then the circuit becomes: Now...

Q: 4. A spring is stretched by 4 in by a mass weighing 12lb. The mass is attached to a dashpot mechanis...

A: Given :    Mass, m=12 lb ⇒1232 = 38  Slugs    Displacement, s = 4 in =412 ft                        ...

Q: A pencil that is 9.0 cm long is held perpendicular to the surface of a plane mirror with the tip of ...

A: Given: Length of the pencil is 9 cm. Distance of the surface of a plane mirror with the tip of the ...

Q: 1) Answer the following questions about ideal op-amps a) How much current flows into the inverting i...

A: One of the most important characteristics of an ideal op-amp is that an ideal op-amp has infinite in...

Q: A 853 N magician (note: this is weight, not mass) is freeing himself from some shackles while suspen...

A: The expression to solve for the net force acting along the horizontal direction. T1cosθ1=T2cosθ2T1=T...

Q: Suppose E fields and H fields are: E = E,ej(k.r-wt) H = Hoej(k.r-wt) %3D Where k = k,ax + kyay + kza...

A: Given the electric and magnetic fields. Now, ∇×E=-∂B∂tSubstitute,∇→ik∇→-iωik×E=--iωBik×E=iωμH       ...

Q: As a health physicist, you are being consulted about a spill in a radiochemistry lab. The isotope sp...

A: Given: The spill of 131 Ba is A0=400 mCi. The half life is T=12 days. The radiation level fallen is ...

Q: A long, straight solenoid has 800 turns. When the current in the solenoid is 2.90 A, the average flu...

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Q: You may recall Newton’s Law of Cooling:      dT/dt = K(T - Tm) where K depends on the particular sit...

A: Given: The temperature relation is: T-Tm=Cekt T = temperature of the liquid at any time  Tm = air te...

Q: Problem 3: Harmonic oscillator. Canonical ensemble. Consider a system of N harmonic oscillators. We ...

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Q: Consider the two parallel plates shown below containing equal and opposite charges. The top plate is...

A: The diagram is as follows:

Q: Does it make sense to talk about the polarization of a longitudinal wave, such as a sound wave? Why ...

A: Polarization of waves are possible in the case when the direction of oscillation is perpendicular to...

Q: A human expedition lands on an exoplanet. One of the explorers is able to jump a maximum distance of...

A: Given: The maximum distance jumped by the explorer: h = 18.0 m The initial speed of the explorer: u ...

Q: An object is projected with initial speed v0 from the edge ofthe roof of a building that has height ...

A: Consider the initial velocity of the object when it is thrown upwards and reaches the maximum height...

Q: Two football players collide head-on in midair, moving along the same horizontal direction, while tr...

A: The final velocity is,m vf=m1u1+m2u2m1+m2

Q: A car travels in the +x-direction on a straight and level road. For the first 4.00 s of its motion, ...

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Q: In the process of using the scientific method, a researcher: Directly tests both the null and altern...

A:   In scientific method, null hypothesis tests the relation ships between the collected data or which...

Q: An x ray with a wavelength of 0.100 nm collides with an electron that is initially at rest. The x ra...

A: The total energy before the collision is same as the total energy after collision. E+K=E'+K'K'=E-E'=...

Q: Bose-Einstein condensates of rubidium have reached temperatures of 20 nK. Treating rubidium as an id...

A: Given: Temperature of rubidium TR = 20 nK. Lowest measured temperature of sodium TS = 450 pK.

Q: Stephen Hawking has predicted the temperature of a black hole of mass M to be T = hc3/8πkGM, where k...

A: (a) The mass of the sun is 1.989×1030 kg. The temperature of the black hole is, T=hc38πkGMT=6.626×10...

Q: 11.2 Show that for the ideal Fermi gas the Helmholtz free energy per particle at low temperatures is...

A: Show that for the ideal Fermi gas the Helmholtz free energy per particle at low temperatures is give...

Q: You use 0.124 nm x-ray photons in a Compton-scattering experiment. (a) At what angle is the waveleng...

A: ∆λ=λ01-cosθθ=cos-11-∆λλ0 Angle of scattering when the wavelength difference is 1.0% θ=cos-11-1%λiλ0=...

Q: An electron initially at rest is accelerated across a potential difference of 3.00 kV. What are its ...

A: The conservation of energy is given by, Ui+Ki=Uf+Kf Since electron was at rest the initial kinetic e...

Q: You throw a football straight up. Air resistance can be neglected. (a) When the football is 4.00 m a...

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Q: (1) Charges +q and -q lie at the points (x, y, z) = (a, 0, a) and (-a, 0, a) above a grounded conduc...

A: The equivalent configuration can be drawn as,

Q: 14. An object with a mass of 7.0 kg has a force of 18.0 newtons applied to it What is the resulting ...

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want rem...

Q: Two crates, one with mass 4.00 kg and the other with mass 6.00 kg, sit on the frictionless surface o...

A: Part-a Given: Mass of first crate m1 = 4 kg. Mass of second crate m2 = 6 kg. Acceleration of second...

Q: Consider a d-functional potential well U(r) = -V8(r - a) spaced by the distance a from an infinite p...

A: The wave function (ψ (x)) disappears for (x < 0) since the potential energy is infinite there. Fo...

Q: 11.1 Give numerical estimates for the Fermi energy of (a) electrons in a typical metal; (b) nucleons...

A: (a) Number density of electrons in a typical metal is close to 2×1028 m-3. Fermi energy is, EF=h28m3...

Q: Please answer all parts of question 1. Data is given in picture 1. Thank you in advanced!

A:   Part A X-component of average acceleration, ax=vx'-vxt'-tax=898 km/h-645 km/h6.92 s-4.65 sax=111.5...