Question 1 Which of the following are examples of electrical conduction? [check all that apply] + .--- WALL BALLOON + Cloud + + + + + + + Earth ++

Q: Q2) Determine the reactions at support A. 20 KN 10 KN 5 KN.m |30 -1 m 20 KN

A: Given Data :  diagram is given with all forces and marked distances. To Find : reaction a support po...

Q: 4. Consider two spin-1/2 systems interacting in such a way that the Hamiltonian has the form H(12) =...

A:

Q: A wheel rotates with a constant angular acceleration of 2.00 rad/s?. If the angular speed of the whe...

A:

Q: A vertical spring with a force constant of 26 N/m has a relaxed length of 35 cm. A 200 g mass is the...

A: Concept: Using the Hook's law we can determine the Length of the string. According to the Hook's Law...

Q: A condenser vacuum gauge reads 725 mm Hg when the barometer stands at 737 mm Hg what is the absolute...

A: Given that:-Vacuum gauge pressure, Pvacuum= 725 mm HgBarometer pressure (Barometer), Patm=737 mm HgA...

Q: Probleml. Given the amplifier below, find the value of R2, that the output will be -3V. R2 4 kn 12 k...

A: Given: The first input voltage to the op-amp is V1 = 2 V The second input voltage to the op-amp is V...

Q: Find the frequency of ifth overtone of an air column vibrating in a pipe closed at one end, length o...

A: Given data L= 0.421 mV=350 m/sd=0.035 m The fundamental frequency in air column of a pipe closed at ...

Q: Find the tension in each cord in the figure below if the weight of the suspended object is w. (b) 45

A: Answer a :

Q: Based on how ammeters are connected to a circuit to measure current, should ammeters be of high or l...

A: An ammeter is used to measure the current flowing through a resistor. Also, ammeter must be connecte...

Q: A green archer aims his arrow at a blue eagle. He pulls the bow back 50.5 cm and holds it in positio...

A: Given, contraction of bow, x= 50.5 cm, x= 0.505 m Force at the end of bow, F= 134.7 N The mass of ar...

Q: What is the wavelength, in m, of a 20,000 Hz wave that travels at 6 km/s?

A: Given that, The frequency : f = 20,000 (Hz) The speed : v =6 (km/sec) As we know that,              ...

Q: Assume the magnitude of the electric field on each face of the cube of edge L - 1.07 m in the figure...

A: Answer..

Q: Calculate the amount of energy produced by the fission of 1.00 kg of 235U, given the average fission...

A: Solution:-Given thatAmount of U235 (m)=1 kgEnergy produced from one atom of U235 by average fission ...

Q: What is the difference between the maximum and the minimum eigenvalues of a system of two electrons ...

A:

Q: NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to retum to thi...

A: Simply using vector calculus we can find answer.

Q: 2. Calculate the threshold of population inversion ( AN) for ruby laser (2 694.3nm) If the mirrors' ...

A:

Q: A 1130-kg car is held in place by a light cable on a very smooth (frictionless) ramp, as shown in th...

A: Given information: The mass of the car (m) = 1130 kg The angle the cable makes with the surface (α) ...

Q: 1. Four electrons are situated at the corners of a rectangle (I=4m; w=2m). Find the resultant force ...

A:

Q: A physics student on Planet Exidor throws a ball, and it follows the parabolic trajectory shown in (...

A: Given:  At t= 0 , vy = 3.2 m/s at t = 2 sec, vy = 0 m/s

Q: The motion of a particle is defined by the relation x = 2t3 -15t2 + 24t + 4, where x is expressed in...

A:

Q: A hydraulic lift has a maximum fluid pressure of 500 kPa. What should the piston cylinder diameter b...

A: Given that:-Maximum fluid pressure, P=500 KPa=500×103 N/m2Mass to be lifted, m=850 kgAcceleration du...

Q: 5. How can neutron be unstable in free space but not inside nucleus?

A: A neutron is one of the subatomic particles that make atoms. It combines with a proton to form a nuc...

Q: J) you turning on roller skates or roller blades:

A: When an object moves along a circular path then there is some force is necessary to apply on the obj...

Q: The spin operators Ŝ, and Ŝ, can be represented by the following 2x2 Pauli matrices: Ŝ. = } C ¿) and...

A: Consider the given data as below. The spin operator, S^x=120110 The spin operator, S^z=12100-1 The s...

Q: 3. In class we found that if something is launched from the ground with fixed initial speed v,, the ...

A: Solution: a). Let the projectile be launched at an initial height h, with an initial velocity at an ...

Q: The wavelengths of the Paschen series for hydro- gen are given by 1 l 5 R Ha 1 32 2 1 n2 b n 5 4, 5...

A:

Q: A4 cm long piece of Si with a cross-sectional area of 0.01 cm² is doped with donors at 1016/em, and ...

A: Given that:-Length, L=4 cm=0.04 mCross sectional area, A=0.01 cm2Donor concentration, n=1016/ cm3Res...

Q: An engineer working in an electronics lab connects a parallel plate capacitor to a battery, so that ...

A: Given, For a parallel plate capacitor The potential difference between the plates is V = 230V the se...

Q: An e d podonn an Theres cherg em charge-ohe utere e ep ndv U heperimty ofpacend your nrin ofomeoroev...

A:

Q: This question refers to the situation in Figure 2, above. The mass of block A is 3.8 kg. The mass of...

A:

Q: You have two neutral metal spheres A and B. You also have a negatively charged rod.  Describe in wor...

A:

Q: A 0.208 kg toy can be whirled in a horizontal circle of 1.0 meter radius at a maximum of 3.0 rev/s b...

A: Concept: In this question the toy is whirled in a circular motion, thus the Force needed to break th...

Q: Find the frequency of fifth overtone of an air column vibrating in a pipe closed at one end, length ...

A: To find- Frequency of 5th overtone. Given- Length of pipe (l)=42.10 cm=42.10 x 10-2 m Speed of sound...

Q: The two dimensional lattice of graphene is an arrangement of Carbon atoms forming a honeycomb lattic...

A:

Q: 2. Situation: You and your family are watching fireworks display for New Year's Evey The first rocke...

A:

Q: 1-Calculate the distribution of 6 not distinguishable particles over two chambers? (Make table)

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

Q: Explain anyone practical measurement system with all of its functional elements.

A:

Q: An object has a mass of 90g on a flash measuring 30cm3. Determine the density and the specific gravi...

A: Given that:-Object mass, m=90 g=0.09 kgVolume, v=30 cm3=301003m3=0.00003 m3We know that:-Density, ρ=...

Q: If a bright flashlight has a light intensity of 15.0 candela at a distance 1.00m from the lens, what...

A:

Q: For which gas the ratio of specific heats (C, /C, ) will be the largest? (a) mono-atomic (b) di-atom...

A:

Q: What is the maximum acceleration of a platform that oscillates at amplitude 2.20 cm and frequency 6....

A: We know that:-The maximum acceleration, amax=Aω2    Equation 1where, Amplitude (A)=2.20 cmFrequency,...

Q: Calculate the amount of energy produced by the fission of 1.00 kg of 235U, given the average fission...

A:

Q: A 0.031 kg bullet is fired vertically at 238 m/s into a 0.15 kg baseball that is initially at rest. ...

A: Given that:_ The mass of the bullet, m=0.031 kg. The angle of projection, θ=90o. The speed of the bu...

Q: Gravity is a weak force, but has only one sign of charge. Electromagnetism is much stronger, but com...

A: Given Distance between two electrons r = 1 m Mass of an electron me                 =  9.1×10-31 kg ...

Q: A hot air balloon rises from the ground with a constant acceleration of 2.6 m/s?. Six seconds later,...

A:

Q: Which of the following statements is not true according to kinetic theory? a. Electrical attractions...

A: The kinetic theory of gases is a model which describes the behavior of all gases. In order to do so,...

Q: Ex. 4 : A metal sphere cools at the rate of 4°C/min. when its temperature is 50°C. Find its rate of ...

A: To find- Rate of cooling dθdt2=? Initial rate of cooling dθdt1=40C/minInitial temperature (θ1)=500CN...

Q: 8. A spherically symmetric gravitational system of particles has a mass density SPoforrR where Po is...

A: Given,ρ=ρ0  for r≤R0  for r>Rfor r≥RLet mass of the system M=ρ0VM=ρ043πR2test mass=mmv2r=mEgEg=Gr...

Q: 4. For the circuit below, use Kirchhoff's loop rule to find the current I in the circuit. 1.50 V 1.5...

A: Answer..

Q: A particle of mass m accelerates from rest down a rough inclined plane, inclined at an angle θ with ...

A: