A man stands on the roof of a 15.0-m-tall building and throwsa rock with a speed of 30.0 m/s at an angle of 33.0 above the horizontal.Ignore air resistance. Calculate the speed of the rock just before it strikes the ground

Q: A stockroom worker pushes a box with mass 16.8 kg ona horizontal surface with a constant speed of 3....

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Q: Two nanowires are separated by 1.3 nm as measured by STM. Inside the wires the potential energy is z...

A: In order to estimate the probability that the electron passes from one wire to the other, we can use...

Q: Discuss the differences between the rotational and vibrational energy levels of the deuterium (“heav...

A: Given: The differences between the rotational and vibrational energy levels of the deuterium (“heavy...

Q: If a proton and an electron have the same speed, which has the longer de Broglie wavelength? Explain...

A: λp=hmpvλe=hmev De Broglie wavelength is inversely proportional to the mass of the particle.

Q: Can someone please help me show the work for these problems please?

A: 1. Introduction: If two vectors are represented by two adjacent sides of a parallelogram, then the d...

Q: The wavelength of the red light from a helium-neon laser is 633 nm in air but 474 nm in the aqueous ...

A: nairλair=nhumorλhumornhumor=nairλairλhumor=1.00633 nm474 nm=1.335

Q: The number density of air in a child's balloon is roughly the same as sea level air, 1019 particles/...

A: The expression for the number density is as follows: n1=N43πd123                      1 The expressi...

Q: In an L-R-C series circuit, the components have the following values: L = 20.0 mH, C = 140 nF, and R...

A: (a) inductive reactance is XL=2πfLXL=2π1.25×103 Hz20.0×10-3 HXL=157 Ω capacitive reactance is, Xc=12...

Q: An electron is in a one-dimensional box. When the electron is in its ground state, the longest-wavel...

A: Energy of an electron in a one-dimensional box En=n2h28ma2 The wavelength of the photon required for...

Q: Determine the force in each member of the loaded truss. The force is positive if in tension, negativ...

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Q: Determine whether each of the variables that affect waves (amplitude, frequency, wave speed, and wav...

A: A wave is a disturbance in a medium that carries energy without a net movement of particles. It may ...

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: Advanced Physics Question

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Q: Consider the ideal gas H2 at T = 293 K. Use a numerical integration program on a computer to find th...

A: Given: Consider the ideal gas H2 at T = 293 K. Use a numerical integration program on a computer to ...

Q: Liquids Hexane Water Carbon tetrachloride Mercury Density (g/mL) 0.65 1.0 1.6 13.6 A) a graduat...

A: The denser liquid will be at the bottom. since mercury has largest density it will be at the bottom.

Q: 4. Consider the following controls in an automobile in motion: gas pedal, brake, steering wheel. Wha...

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Q: 7. The height of a helicopter above the ground is given by h =20.0 t-5.0 ť where h is in meters and ...

A: Hey there, since you have asked multiple questions. We have answered the first one for you. Please r...

Q: 2. Suppose a ring-shaped thin metal sheet charged with a uniform surface charge density Ps and a fin...

A: (a) Consider any two infinitesimal elements on the ring, opposite to each other. Now the electric fi...

Q: You are driving a car on a country road when a mosquito splatters on the windshield. Which has the g...

A: Given You are driving a car on a country road when a mosquito splatters on the windshield. Which has...

Q: A cheetah is crouched 20 m to the east of a vehicle . Attime t = 0 the cheetah begins to run due eas...

A: Given: Distance crouched by cheetah x = 20m. x-coordinate varies with time according to the equatio...

Q: 5. A particle moves along the x axis. Its position varies with time according to the expression x =1...

A: The magnitude of displacement of the particle is given by Displacement = |Final position - Initial p...

Q: 16. A hydroelectric power facility converts the gravitational potential energy of water behind a dam...

A: (a) Let m, g, and h denote the mass of the water in the given lake, the gravitational acceleration, ...

Q: In a jet airplane, the kinetic energy imparted to the exhaust gases is wasted as far as propelling t...

A: Given: The speed of the airplane is v The relative speed of the expelled gases is u Need to determin...

Q: A photon with wavelength 8.00 nm is absorbed when an electron in a three-dimensional cubical box mak...

A: Given: Wavelength absorbed λ = 8 nm.  

Q: (b) Suppose conducting current is flowing inside a conductor in z-direction. Suppose the equation of...

A: Given information: The magnetic field is  H=(2x3y) i^+(3xy) j^ We have to find the current density a...

Q: Explain why the answers are right (graph needed)

A: Given:     Mass of the rocket, m = 7 kg    Thrust, T = 110 N    Drag force, D = 90 N Free body diagr...

Q: Two identical, closely wound, circular coils, each having selfinductance L, are placed next to each ...

A: Since two coils are identical , L1=L2=L If they are connected in series, Leq=L1+L2=2L

Q: A photographic slide is to the left of a lens. The lens projects an image of the slide onto a wall 6...

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Q: In principle, does a hot gas have more mass than the same gas when it is cold? Explain. In practice,...

A: Yes, the hot gas in a container will have more rest mass than the same cold gas because the rest mas...

Q: THIS IS THE QUESTION ITS REFERRING TOO!!! I ONLY NEED THE SECOND QUESTION ANSWERED!! THANKS Imagine...

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Q: A particle initially has a speed of 0.5c. At what speed does its momentum increase by (a) 1%, (b) 10...

A: The ratio of initial and final momentum is pfinalpinitinl=η=mγfinalvfinalmγinitialvinitalη=vfinalvin...

Q: Determine the ratios of the chemically nonequivalent protons in a compound if the steps of the integ...

A: Given: The ratios of the chemically non equivalent protons in a compound if the steps of the integra...

Q: You place an object alongside a white screen, and a plane mirror is 60.0 cm to the right of the obje...

A: Part-a Given: Object distance from the focal length s = 22 cm. Distance between plane mirror and ob...

Q: It is the year 2150 and the United Nations Space Federation has finally perfected the storage of anti...

A: The time interval measured by the astronaut on the spacecraft can’t be greater than 16 years, becaus...

Q: 4-18 A frictionless piston-cylinder device contains 2 kg of nitrogen at 100 kPa and 300 K. Nitrogen ...

A: The expression for polytrophic work equation, W=p2V2-p1V11-n=mRT2-T11-n

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

A: The first four questions have been answered. Part A The vertical displacement is the height of the t...

Q: A 550 N physics student stands on a bathroom scale in an elevator that is supported by a cable. The ...

A: Given, Weight of physics student =550Nmass of elevator and student=850kg

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 antelope moving with constant acceleration covers the distance between two points 70.0 m apart in...

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Q: In quantum physics. What is the physical meaning of : 1- [P,X] 2-[H,XP]

A: (1) Introduction: The commutator here is a canonical commutator. This signifies a fundamental relati...

Q: An elevator and its load have a combined mass of 800 kg The elevator is initially moving downward at...

A: v2=u2+2ad0 m/s2=10 m/s2+2a25.0 ma=-2.0 m/s2

Q: the diameter of sphere is 2 mm. calculate the value of reynolds number for the sphere with 2mm of di...

A: Given diameter of the sphere (D)= 2mm= 2*10-3m speed (v)= 0.05m/sec viscosity (μ)= 12N.s/m.m= 12N.s/...

Q: A particle with the energy E is incident from the left on a potential step of height Uo and a delta-...

A: This problem is a combination of step and delta function. There are two regions here, one is x<0,...

Q: If a protostellar disk is 210 AU in radius and the disk plus the forming star together contain 4 sol...

A: the orbital speed is, v=GMr one solar mass is 1.989×1030 kg and 1 AU is 1.496×1011 m. thus, v=G4Msol...

Q: 1)An airplane starting from airport A flies 300 km east, then 350 km at 30.0° west of north, and the...

A: Net displacement vector D→=D1→+2→+D3→=300i^+350-sin30.0°i^+cos30.0°j^+150j^ km=125i^+453.1j^ km=125i...

Q: 1.For each trial, calculate the distance between the pivot point and the string (r, in units of mete...

A: (1) Distance between the pivot point and string position for the first three trails r=rs-rpr1=90.0 c...