A motor van weighing 4400 kg rounds a level curve of radius 200 m on unbanked road at 60 km/hr. What should be minimum value of coefficient of friction to prevent skidding ? At what angle the rod should be banked for this velocity ?
Q: What would be the greatest length of a steel wire which when fixed at one end can hang freely witho...
A: Here we have to find the greatest length of the wire (l) in the question breaking stress is the maxi...
Q: 11 : If the frequency of revolution of an object changes from 2 Hz to 4 Hz n 2 second, calculate its...
A: Given that : n1 = 2 Hz, n2 = 4 Hz, Time = 2 sec we have to calculate a...
Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g maneuve...
A: In this case, the radius of a human centrifuge and a trained, fit person wearing a g-suit can withst...
Q: The cantilever is having one side of it as fixed while the other one is Select one: a. pin support b...
A: A Cantilever is a structural beam or bridge that is supported at one end only and the other end rem...
Q: JUST ANSWER C AND D In the figure below, the internal energy change of the gas carried from ? to ? ...
A:
Q: A potassium ion (K+) moves in the xy-plane with a speed of 2.60 ✕ 103 m/s. If a constant magnetic fi...
A: When a charged particle moves in a magnetic field at some angle, then there is a force exerted by th...
Q: An electromagnetic wave with frequency 5.70 * 1014 Hz propagates with a speed of 2.17 * 108 m/s in a...
A: Given that, The frequency of the EM wave, f=5.70×1014 HzSpeed of the wave, v=2.17×108 m/sWavelength ...
Q: are inside of an 88 m building, to relieve stress you throw a ball vertically upward from the edge o...
A: Given: The height of the building is 88 m. The height of the hand is 2 m above the buildi...
Q: of nm?. Given that P=2 kN; aw the FBD of the rigid membe how the forces at A and B with ct senses. S...
A: Given:
Q: A particle of mass 200 gm performs S.H.M. of amplitude 0.1 m and period 3.14 sec. Find its K.E. and ...
A: In the following question we have to find the kinetic energy and potential energy of the particle w...
Q: 2A 5A Aclosed loob the wire ABCD in x-y plane carring current of 5A and filamentary current of 2A fl...
A: Solution: 1). Consider the small length dx at a distance x from the center (wire) of the segment AB....
Q: . The determination of the internal loading in the beams is usually done so as to Select one: a. Kno...
A: The determination of internal loading plays the main role while preparing the beams. Internal loadin...
Q: 14. Derive the Lorentz transformations for electromagnetic potential four vector and current density...
A: Solution: Maxwell's field equation is given as Where The second equation can be written as
Q: 1.1 A particle has a velocity of v(t)=5t i –t’i 1.1.1 Find the position of the particle at t= 0 s. 1...
A:
Q: A cylindrical copper rod of length L and cross-sectional area A is reformed to three times its origi...
A: Given: Length of the copper rod, L Cross-sectional area of the rod, A Resistance of the rod, R To fi...
Q: A resistor is wired to a battery in a circuit and dissipates a power P1 as heat. A second resistor, ...
A: By law of conservation of energy, the total energy in an isolated system is constant. Thus, when a c...
Q: 46 : What pressure should be applied to a lead block to reduce its volume by 10% (Bulk modulus of le...
A: In the following question we have to find the pressure which can be applied to a leak block to lower...
Q: 2) A parallel-plate capacitor with area 0.30 m2 and separation 5.5 mm contains three dielectrics wit...
A: In this case, the area of a parallel capacitor is given. There are three dielectric contains in the ...
Q: A wire 6.50 m long with diameter of 2.05 mm has a resistance of 0.0290 Ω. What material is the wire ...
A: Given that,The length of wire : L = 6.50 (m)Diameter : D = 2.05 (mm)Resistance : R = 0.0290 (Ohm)He...
Q: Obtain the Galilean transformation of the velocity of a particle and from this show that Newton's se...
A: Galilean transformation :- It is a set of mathematical...
Q: 7: What is angular speed of a second hand of a clock. If the second hand is 10 cm long, find the lin...
A: Description : In this question we have to find the angular speed of second of a clock and the linear...
Q: 5. Two frames of reference S and S' are such v = i Ug - jvy + k v, relative to S. If the origin of t...
A:
Q: 1. Two blocks, of masses M = 2.3 kg and 2M are connected to a spring of spring constant k = 180 N/m ...
A: Given: Mass of Block(1) M= 2.3 kg Mass of Block(2) 2M=4.6 kg Let, Height of the M Block from groun...
Q: 16. Prove the relation E² - p*c² = mc*, where p is the momentu
A:
Q: A mechanic changing the spark plugs in a car notes that the instruction manual calls for a torque wi...
A:
Q: 18: A sonometer wire 60 cm long produces a resonance with a tuning fork. When its length is decrease...
A: In this question we have to find the frequency of the tuning fork, where a sonometer wire produces a...
Q: A ballet dancer spins about a vertical axis at 90 r.p.m. with arms outstretched. With the arms folde...
A: Given that, Initial frequency (n1) = 90 r.p.m. ...
Q: 20 : A needle, 5 cm long can just rest on the surface of water without wetting. Find the weight of n...
A: In the question we have to find the weight of the needle as the needle is 5 cm long. The needle is r...
Q: A self-driving car traveling along a straight section of road starts from rest, accelerating at 2.00...
A:
Q: Q. 9 : Amount of energy required to blow a bubble of radius 5 cm, (surface tension of soap is 30 x 1...
A: In the given question we have to calculate the energy (E) required to blow a bubble by having the ra...
Q: ou are using a Cs-137 radiation source with an "activity" level of 5 μCi that emits primarily beta p...
A: Given: H=5.55×10-3AEr2→(1) Introduction: The exposure rat...
Q: In the circuit shown, R1=150, R2-200, R3=80 R1 emf R2 R3 (a) If immediately after the switch is clos...
A: Given, Resistance are, R1=15ΩR2=20ΩR3=8Ω Let the emf is ε, a) Since the current across inductor imm...
Q: Part G: Use Kirchoff's Law to solve for all the voltage drops and branch currents. R1 100 a R4 700 w...
A: Consider the following circuit :
Q: Two charges, +9 µC and +15 µC, are fixed 1 m apart, with the second one to the right. Find the magni...
A:
Q: 2. (a) An object undergoing SHM traces a parabola taking 0.25 s to travel from one point of minimum ...
A: Since you have asked multiple questions with multiple subpart we will solve first question for you w...
Q: Citizen's band (CB) radio utilizes frequencies between commercial AM and FM. What is the frequency o...
A: The following data are given: Wavelength of the CB channel, λ=11.90m
Q: 5. Explain four vector introducing velocity, momentum and force four vectors
A:
Q: A wire 6.50 m long with diameter of 2.05 mm has a resistance of 0.0290 Ω. What material is the wire ...
A: Length of wire L = 6.50 m Diameter of wire D = 2.05 mm = 2.05 × 10- 3 m Resistance of wire R = 0.029...
Q: 33. A bicycle tire has a pressure of 7.00 × 10° N/m² at a temperature of 18.0°C and contains 2.00 L ...
A: Solution:
Q: Three charged marbles are glued to a nonconducting surface and are placed in the diagram as shown. T...
A: Given: The charge of marble at r1 = -3 cm is q1 = 6.1 μC The charge of marble at r2 = 0 cm is q2 = 1...
Q: Two vectors are given by A = 4.00 i + 7.00 j and B = 5.00 i – 3.00 j. What is the resultant displace...
A: Given Two vectors are given by A = 4.00 i + 7.00 j B = 5.00 i – 3.00 j
Q: 4. B=30T |= 20 A 37° | (Lab= Lbc= Lcd=Lde= 2 m) A bended wire, which is carring total current of 20A...
A: Given: Four line segment carrying current of 20 A Magneetic field is 30T and Length of each segment ...
Q: 4. The mechanical system represented in the figure consists of a block with mass m = 40kg and a spri...
A: Concept used: Angular frequency can be calculated from given data.
Q: What do you understand by time dilation ? What is proper and improper interval of time ? Establish a...
A:
Q: Find the speed of light in the following. (a) sodium chloride (b) fused quartz (c) benzene
A: In this case, we have to find the speed of the light in the given materials. We have to use the form...
Q: An L-R-C series circuit has R = 60.0 Ω, L = 0.800 H, and C = 3.00 * 10-4 F. The ac source has voltag...
A: Given: Resistance R=60.0Ω. Inductance L=0.800H. Capacitance C=3.00×10-4F. Voltage is V=90.0V. Angula...
Q: Dry air is a pretty decent insulator; it has a very high resistivity of 3 × 101³ 2 · m . Consider a ...
A: Given Resistivity of air, ρ=3*1013 Ω.mLength of square plate = 15 cm = 15*10-2mTherefore area os pla...
Q: A 0.3 kg ingot of a certain material is heated to 423 ℃ and then fed to a calorimeter containing 0.4...
A: Given: The mass of the ingot is m1=0.3 kg. The mass of the water is m2=0.4kg. The initial temperatur...
Q: A circular race course track has a radius of 500 m and is banked to 10°. If the coefficient of frict...
A: Description : In this question we have to find the two things that are the (a) maximum speed to avo...
Q: 2. Consider a charged particle in a box of length L. A uniform electric field is along the x-axis in...
A: Given: Charge particle is inside a box of length L Unperturbed eigen states φn(0)=2Lsin(nπxL) , ...
Step by step
Solved in 2 steps