If a marathon runner averages 7.3 mi/h, how long does it take him or her to run a 26.22-mi marathon Additional Materials O Reading

Q: A rocket is launched from the surface of a planet with mass 9.1 x 1024 kg and radius 3.2 x 106 m at ...

A: Concept used: Escape speed is the velocity at which an object escapes the gravitational pull of a pl...

Q: The truss is subjected to the system of forces as shown in the following figure. The truss is suppor...

A: Let T denotes the tension in member CB, P2 denotes the downward force, and θ denotes the angle.  

Q: Using the figure below, categorize electromagnetic radiation with an energy of 6.6 x 10-16 J/photon....

A:

Q: What happens when the current in a fuse wire exceeds the rating of the fuse?

A: Generally, the rating of the fuse is set at 1.1 to 1.5 times the current in a fuse. The fuse wire is...

Q: A transformer is used to supply a 12-V model train with power from a 110-V wall plug. The train oper...

A: Given: The primary winding voltage is 110 V.             The secondary winding voltage is 12 V.     ...

Q: Ann analysed mercury content on a canned fish and the permissible limit of mercury in fish is 0.1 pp...

A: Introduction: Cold Vapor Atomic Absorption Spectroscopy or CVAAS is one of the primary techniques fo...

Q: Find the electric flux through the closed surface whose cross-sections are below.

A: Introduction: Using Gauss's the total normal electric flux passing through a closed surface area is ...

Q: The windows on the Apollo Command Module were double-paned tempered silica glass with an additional ...

A: The formula to convert temperature from Fahrenheit to Celsius is given by C5=F-329.....................

Q: Obtain the schrodinger equation in spherical polar coordinates by using the schrodinger equation giv...

A: Schrodinger's equation in Cartesian Coordinate system is, -h22m∇2ψ+Vψ=Eψ Where, h=h2π, m is the mass...

Q: Suppose a 200 mm focal length telephoto lens is being used to photograph mountains 10.0 km away. (a)...

A: Given :              Focal length f = 200 mm              Object distance d0 = 10.0 km              ...

Q: Why don’t buildings block radio waves as completely as they do visible light?

A: Given: Buildings block radio waves does not as completely as they do visible light

Q: The electric potential in a certain region isV = α x^2y^2 + β z^2(x^2 − γ) + δ y^3z ,where α = 8 V/m...

A: Given: The Electric potential in a certain region V=αx2y2+βz2(x2-γ)+δy3zwhere:α=8 V/m4 , β=4.6 V/m4 ...

Q: The textbook gives an estimate for the sound intensity of a whisper at 1.0 mm. What is the sound int...

A: intensity of whisper at 1mm is I1=1×10-10W/m2 Given, r1=1 mmr2=2 mm Intensity is given as , I=PowerA...

Q: An astronaut drops an overhead rock on the Moon. Discuss what force(s) act(s) on the rock as it drop...

A: When an astronaut drops a rock overhead on moon, the forces that will act is the gravitational force...

Q: True or false E Hydraulic jump is a rapidly varied flow. L The specific energy is the energy at a cr...

A: 1) Statement is true. The change of flow parameter in a short distance is termed as rapid varied flo...

Q: The temperature in a room is given by T = 3x2 + 4y? – z2. The direction of the maximum rate of chang...

A: Let T denotes the temperature, x, y, and z denote the three axes. The given equation can be expresse...

Q: A typical wind turbine extracts 40% of the kinetic energy of the wind that blows through the area sw...

A: For given turbines, mass of the air m=110000 kgvelocity v= 15 ms-1the effective KE provided to turbi...

Q: draw the free-body diagram of the system

A:   In below diagram, there is a human who pulls the stone via pulley, so here's some masses, normal a...

Q: A gas with a constant pressure of 126 kPa expands from a volume of 0.982 m3to a volumeof 1.19 m3. Ho...

A: The pressure on the gas, P is 126 kPa. The initial volume of the gas, V1 is 0.982 m3. The final volu...

Q: Write your name and date.  The due date of this assignment is the height the ax head falls from in m...

A: 1) Since the given date is 9th November, thus the height is 9 meters2) Newton's second law is F =m×d...

Q: Two train whistles, A and B, each have a frequency of 408 Hz. A is stationary and B is moving toward...

A: Each frequency of two train's whistle is, ft=408 Hz. The speed of the train B is, vB=45 m/s. The spe...

Q: A swift blow with the hand can break a pine board. As the hand hits the board, the kinetic energy of...

A: Given :             Force F = 800N             Deflection (x) = 1.2 cm = 1.2×10-2m

Q: 1)Considering the circuit in Fig. 1, assume that input voltage (Vin) is last two digit of student nu...

A: From the given figure; the first OPAMP shows non-inverting amplifier with input offset voltage Vin =...

Q: what are the applications of semiclassical gravity?

A: Semi- classical gravity :                                        It is a mixture of quantum as well ...

Q: In total internal reflection (a) Some fraction of incident light gets transmitted from denser to ra...

A: Option c

Q: Answer the question number 2

A: Introduction: Leptons, Baryons are the particles having quantum numbers that are: lepton number and ...

Q: Integrated Concepts - You have a grindstone (a disk) that is 90.0 kg, has a 0.340-m radius, and is t...

A: Given: Weight of the disk is 90 kg Radius is 0.340 m Radial force is 20 N

Q: What happens to the diffraction pattern of a single slit ifthe whole apparatus is immersed in (a) wa...

A: Given, Single slit diffraction pattern when whole apparatus immersed in water an vacuum

Q: cylindrical röller of mass m and radius r, initially stationary, is pulled along on a rough horizont...

A: The force is applied at the center of mass of the cylinder. The frictional force will always hinder ...

Q: Assume that an MX missile goes from rest to a suborbital velocity of 5.5 KM/ S in 40.0 seconds. What...

A: Solution:   Given Values, velocity(V)= 5.5 Km/s Time(t)= 40 s  

Q: 3) The stress strain relation relationship of the meter stick is shown in the figure. The meter stic...

A: Given :                  σ = 140MPa∈ =0.001b = 6mmd = 25mm

Q: The following problem model your leg as a system of two beams attached to each other. In this model,...

A: The situation with moments of forces is modelled below,  

Q: A car, moving to the left in a straight line in a the negative x-direction, travels a distance d=17m...

A: Given :              Distance d = 17 m              ∆t = 17.5 s

Q: Students in a lab group are given a plastic cube with a hollow cube-shaped space in the middle that ...

A: Refraction or Snell’s law can be written as, Here, is the index of refraction of media, is the inde...

Q: a. If the Pressure produced by the gas cylinder of the motor of the rocket is governed by the below ...

A: Given: P=sin4(v)cos3(v) W=∫V1V2Pdv

Q: A torque of 0.97 N*m is applied to a bicycle wheel of radius 35 cm and mass 0.75 kg. Treating the wh...

A: Given τ=0.97N.m r=35cm=0.35m m=0.75kg

Q: During a marathon race, a runner’s blood flow increases to 10.0 times her resting rate. Her blood’s ...

A: The blood flow at the resting rate is taken as, Q1 The blood flow increases to 10 times her resting ...

Q: electic field

A: The charged particle in electric field possesses potential energy which is the work required to brin...

Q: How semiclassical gravity is semiclassical physics?

A: One of the a lot of contentious theories of quantum gravity, that makes an attempt to unify quantum ...

Q: A charge emanates an electric field of 7 nN/C. If this field is placed on a rhombus surface that has...

A: Given:-            electric field E = 7×10-9N/C  Area of rhombus:                                  ...

Q: Acceleration is defined by?  Check all that apply

A: Rate of change of velocity

Q: A box rests on the (frictionless) bed of a truck. The truck driver starts the truck and accelerates ...

A: a. For Mary , who is standing on the ground the box will be at rest. Since it was at rest with respe...

Q: For 2p level of hydrogen atom En = -3.4eV, find the fine structure splitting?

A: Given, for 2p level of hydrogen atom, number of electron = 1 orbital angular momentum quantum number...

Q: Problem solving: Show your complete solution and avoid erasure.  Following are four pairs of masse...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Most often we say that force causes acceleration. But when Evan took a ride in a rocket sled at Bonn...

A: The force behind the blood to get forced to the back of his brain is G-force. This is also known as ...

Q: How do you find the wavelength where the maximum amount of power is radiated by the Sun?

A: We can calculate the surface area of the sun if we assume that sun is a sphere of radius RS. The for...

Q: can u tell about the fundamental postulate    that allows us to find the average distribution for  a...

A: Number of micro- states are given for a distribution of any system of particles.

Q: How many megacoulumbs are in 1.00 mol of neutral molecular hydrogen gas.

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Q: Two particles move in space, so that at each instant t the position vector of each particle, A and B...

A: Given; rA→=2ti^+8t2-7j^ +5-4t2k^rB→=t2-1i^+5t+1j^ +t-6k^ and t is time Considering A and B intersect...

Q: An unwary football player collides with a padded goalpost while running at a velocity of 8.50 MS and...

A: