The Achilles tendon inserts on the calcaneus at a distance of 8 cm from the axis of the ankle joint. If the force generated by the muscles attached to the Achilles tendon is 3000 N and the moment arm of this force about the ankle joint axis is 5 cm, what torque is created by these muscles about the ankle joint? Express your answer in Nm.

Q: A set of 31 tuning forks is arranged in a series of decreasing frequencies such that each fork gives...

A: Provided Data-n1=2n31Beat frequency=10The set of fork are arranged in decreasing order of frequencie...

Q: A flywheel of mass 500 kg and diameter 1 m is set in rotation . In 5 sec it starts rotating at the r...

A: Given data: Mass of the flywheel m=500 kg. Diameter of the flywheel d=1 m. Frequency at the end of ...

Q: None

A: The hydrogen atom in the ground state has one electron.  The formula for the velocity of hydrogen at...

Q: None

A: Given, The density of potassium,  NV=0.862×10-3×106kg/m3NV=0.862×103kg/m3 Atomic weight= 39.098 mass...

Q: Q2:- In fig as shown determine the moment about point (0). 200 N 160 N 250 mm 250 mm 250 mm 240 N -1...

A: Given: r1=0.25m, r2=0.5m, r3=0.25m, F1=160N, F2=240N, F3=200N Refer to the figure below :  Torque/m...

Q: When an angular velocity of a body changes from 20 rad/s to 40 rad/s, its angular momentum changes b...

A: Given Data :                      ω1=20 rad/sω2=40 rad/s

Q: Q:06)

A: Given, Energy, H=hωσ ϕ>=α0>+β1>ϕ>=α10+β01ϕ>=αβ σx^=ϕσx^ϕσx^=α*,β*0110αβσx^=α*,β*βασx^...

Q: Give important facts about surface tension

A: Defination of Surface tension : - The surface tension of a liquid is the property by which a fluid i...

Q: Two conductors of the same length and material but of different cross-sectional area are connected (...

A: Solution: According to Joule's law of heating  This tells that the heat produced is (1) directly pr...

Q: What is the final temperature (in ˚C) of a 2.92 kg glass baking dish if it was heated from a startin...

A: Given, m = 2.92 kg T = 22.3oC dQ = 729 kJ = 729000 J = 7.29 x 105 J c = 840 J/kg.oC  

Q: One letre of oil weight 8 N calculate the specific weight, density, specific volume and relative den...

A: We have given data from the question,     Weight, W = 8 N     Volume, V = 1 litre = 10-3 m3 We have ...

Q: Construct a coordinate transformation array from i, j to b1, b2 and express the vector p = 3i + 4j i...

A: Given, vector is,  p=3i+4j so x and y component is, px=3py=4 and, θ=53o From figure if we rotate i-...

Q: A mass on a spring has displacement as a function of time as: x(t) = (11.70 cm) cos((6.14 rad/s)t –...

A: Given: Displacement as a function of time x(t)=11.7 cm cos6.14 rad/st-11.42 Mass of the spring m=1.8...

Q: None

A: Solution: Apply Kirchhoff's voltage law at the output terminal. Vcc=icRc+Vce10 V=ic×2×103 Ω+0ic=10 V...

Q: (b)A ray of light enters from air into fiber. The refractive index of air is 1. The fiber has a core...

A: The following data are given: R.I of air, n0=1 R.I of fiber core, n1=1.5 R.I of fiber cladding, n2=1...

Q: A 1,240 kg car going 30 m/s is brought to a stop using its brakes. Let's assume that a total of appr...

A:

Q: The IV system shown below contains whole blood at a height of 0.54 m. Determine the gauge pressure (...

A: In this case, a IV system is demonstrated in which the blood is kept in certain height. So we need t...

Q: A bulb is placed at the centre of a circular track of radius 10 m. A vertical wall is erected touchi...

A:

Q: B6

A: Let us consider a single charge q projected in an electric field E and magnetic field B with a veloc...

Q:

A: Solution:   As per the given data,

Q: correct option please

A: Current divider rule is used to find current in a branch of parallel network. Voltage divider rule i...

Q: Please please type the final answer by eV si unit

A: Given, Lx=Ly=Lz=L=5.0 nm

Q: In a biprism experiment the micrometer readings for zero order and tenth order fringes are1.25 and 2...

A:

Q: A stepped cylindrical container is filled with a liquid as shown in the Fig. Q. 93. The container wi...

A: Correct Answer is option : (d) 4

Q: What are the requirements for producing laser action? Explain the principle of laser by schematic di...

A: The basic components of a laser are :  Active Gain Medium Pump Source Optical resonator/cavity A g...

Q: A refrigerator has food articles with its door closed. In 1 hour, the internal energy of food articl...

A: Here, A refrigerator has food articles with the closed door. So, in one hour internal energy of the ...

Q: A metal sphere of radius 20 cm is charged with 12.56 µC situated in air. Find the surface density of...

A: Given data- R= 20 cm=0.20 mQ=12.56 μC=12.56×10-6 Cr=?σ=?

Q: B3

A: A typical snowflake has a mass of 5 mg, and a water molecule has a molar mass of 18 g/mol. This mean...

Q: B5

A: Electric field is a physical field which is produced by charged objects. It is a measure of force on...

Q: A glass surface is coated by an oil film of uniform thickness 1.00 x 104 cm. The index of refraction...

A: Given, thickness (t) = 1.00 X 10-4 cm = 1.00 X 10-6 m Refractive index of oil (μ0il) = 1.25 Refracti...

Q: Find wavelength at which body radiates maximum energy if its temperature is 2270C [ Wien's constant...

A: Given data-T=227+273=5000Cb=2.898×10-3 moK  

Q: What is benefit of bifilar suspension technique.

A: When an axis is passing through the center of gravity of anybody, in that case, to determine the mom...

Q: Choose the correct option.  Answer fast

A: Correct Option : (a)  Z+pw+v2g= constant

Q: A glass filled to the brim with cold water has a 5 cm3 of ice cube floating in it. By the time the i...

A: A physical quantity which does not depend upon the shape and size of body, we can explain it as the ...

Q: B2

A: Given, R1=7.1ΩR2=7.1ΩR3=4.3Ωε1=94Vε2=69V Apply KVL in loop 1, -ε1+I1R1+I2R2-ε2=0-94+7.1I1+7.1I2-69=0...

Q: The refractive indices of water and diamond of light in water and diamond. Hence find the refractive...

A: Given data- μw=43μd=2.42C=3×108 m/s

Q: Determine the change in wavelength of wavelength of light during its passage from air to glass if th...

A: Given data- μg=1.5n=4×1014 HzC=3×108 m/s

Q: I'm wondering what to put down where the (? M) is observed on the following slide [see the Cu-Cu rea...

A: To answer: Where the ?M is in the Reaction equation? Is it a correct balanced equation?  

Q: How much total heat transfer is necessary to lower the temperature of 0.215 kg of steam from 145.5 °...

A: Solution: As per the given data,  

Q: The Bernoulli's equation can take the form 2 P, V, P2 V. + Z2 (a) P1 + Z, = P2 29 - 2g 2 P2 V, + Z2 ...

A: Bernoulli's Theorem provide an understanding to work conservation law and energy. The total energy r...

Q: What is the energy change of a hydrogen atom when it moves from energy level n=4 to energy level n=1...

A: The following data are given: Higher energy level, n=4 Lower energy level, n=1 The transition takes ...

Q: None

A: Given, Current densities are 5×10-4 A/cm2 , 3×10-7 A/cm2 and 5×10-11 A/cm2  and  η=-0.08 Vsurface ar...

Q: A motor car tyre is pumped to a pressure of two atmospheres at 15C when suddenly brust. Calculate th...

A: Given data: Inital temperature T1=15°C. Initial pressure P1=2Po. Final pressure P2=Po. Specific hea...

Q: —].m [T Conductivity () Resistivity ( ) Tap water 1571 pS/m 63653723 « 10-* Q.m Sweet water 213 pS/m...

A: Given  Discuses why the difference among the resistivity of these fluids.  Which fluid have greater ...

Q: In a boat race, boat A is leading boat B by 36m and both boats are travelling at a constant speed of...

A: Given, In a boat race, boat A is leading boat B by 36m and both boats are travelling at a constant s...

Q: None

A: Solution: H.w 2. Given that- s-12=01, ands12=10  

Q: B1

A: To answer:  The electric and magnetic field comparision Total power 

Q: If Earth's mass were to double, how would the Moon's orbit around Earth alter?

A: The moon revolves around the Earth and the centripetal force Fc for the circular motion of the moon ...

Q: How do you identify the unknown from simple distillation which was analyzed by a GC? And How the flo...

A: To answer: How do you identify the unknown from simple distillation which was analyzed by a GC? How ...

Q: Calculate the change in entropy of air, if it throttled from 5 bar, 27°C to 2 bar adiabatically.

A: Given that, p1=5 bar,T1=27oC = 300 Kp2=2 bar     Since the process is a throttling process, i.e.,  h...