A free electron has a kinetic energy 13.3eV and is incident on a potential energy barrier of U=32.1eV and width w =0.091nm. What is the probability for the electron to penetrate this barrier (in %)? You Answered 27.36 Correct Answer 1.7548 margin of error +/- 1%

Q: Show your work on a separate document. Block or highlight your answers. 1. Refer to figure 1. A mass…

A: for equilibrium forces must be equal and opposite

Q: 21) Rotational Dynamics: The drive chain in a bicycle is applying a torque of 0.850 N m to the wheel…

A: Given:Torque(ζ)=0.850N.mMoment of Inertia(I)=0.100kg.m2

Q: Show work

A:

Q: Which of the following is correct? None of the listed choices are correct. Radio waves have higher…

A: Gamma rays have higher frequency than infrared waves.

Q: 108 T. Assuming value= 9.28×10-24 J/T and The measured surface magnetic field strength of a neutron…

A: Given: The magnetic field strength of a neutron star is 108 T. The magnetic moment of the electron…

Q: 2.Two vehicles are traveling in opposite directions and are involved in a head on collision. Vehicle…

A: Given data: Mass of first vehicle, m1 = 1500 kg  Mass of second vehicle, m2 = 4500 kg  The velocity…

Q: A thin rod of finite length L has a uniform charge density X. Follow the steps below to show that…

A:

Q: A ball is thrown up with an initial velocity of 15 m/s off a cliff that is 60 m high. Vi = 15 m/s h=…

A: Given data Initial vertical velocity of ball is v0y=15 m/s Initial vertical displacement of ball is…

Q: 7) The figure below shows a conical pendulum. It consists of a bob is suspended at the end of a…

A:

Q: The "muon" - a subatomic particle denoted with the Greek letter u - has a rest mass of m. = 1.06x10°…

A: Given, rest mass of muonmμ=1.06×108 eV/c2and total energy isE=2.5×109 eV

Q: 00a lo ylisolsv, olssum, dnoghord a 2. A bullet is fired from a gun at a 30° angle with the…

A:

Q: A brick is thrown upward from the top of a building at an angle of 25° to the horizontal and with an…

A: there are three equation of motion  v = u +at  v2 -u2 = 2as  s = ut + 0.5at2 here  v = final…

Q: A crate is connected to a cable and lowered down from a helicopter as part of a pulley system…

A: The given values are, R=0.2 mMp=20.0 kgm=100.0 kgt=1.0 s

Q: 73) Uniform Circular Motion: A 2.0-kg ball is moving with a constant speed of 5.0 m/s in a…

A: Mass of a ball (m) = 2 kg Speed (v) = 5 m/s Diameter (d) = 1 m Radius (r) = d/2 = 1/2 = 0.5 m

Q: Find the voltage, current and power across each load in the following circuit. R1 Voltage = Series…

A:

Q: Momentum Practice Techniques Do the following problem in at least one of these two ways. Pick the…

A:

Q: 58) Newton's Second Law in 2 Dimensions: A 1000-kg barge is being towed by means of two horizontal…

A: Given information: The mass of the barge (m) = 1000 kg The force applied on the barge (F) = 80.0 N…

Q: Figure E1.24 В (15.0 m) Ď (10.0 m) 30.0° 53.0° 25.0° Č (12.0 m) A (8.00 m)

A:

Q: Four resistors of R1 = R, R2 = 3 R, R3 = 5 R, and R4 - R/3 (R is the resistance of the first…

A: R1 = RR2 = 3RR3 = 5RR4 = R/3V = 57 V For resistors in series, Rs = R1 + R2 + R3 + R4Rs = R + 3R + 5R…

Q: Given the expression for the amplitude of a spring at any x(t) = 7.1 cos (5.3t ) What is the period…

A: We know that the equation of motion of  the spring at any time is given as  x(t) = A cosωt…

Q: Show that the curl of a magnetic field expressed in cylindrical coordinates as a is non-zero (here a…

A: Curl in cylindrical coordinates is given by

Q: Four people are pulling in different directions on a shopping cart. The magnitude of their pulling…

A:

Q: • Find Tension on strings in the below figures. • The friction coefficient is 0.2. Show your work…

A:

Q: jxi=-k_This The convention is to choose the direction of +z so that ?Xj=kv which automatically means…

A: Given values: Force, F→=(7i^+9i^) N Displacement, r→=(0.8i^+1.2i^) m Torque, 𝞃→ = r→×F→

Q: Two negative charges -16 µC and -25 µC are placed at x = 0 and x =15 cm respectively. The electric…

A:

Q: 1. A cylinder with outer radius, router is 1.8 meters is supported by a fixed axel as shown below.…

A: Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: 3. In a series RC circuit with R = 5.00 kN, C = 2.00 µF, and v = 170 sin (300t), where is in volts.…

A:

Q: Consider an electron gyrating in the magnetic field associated with a sunspot which has a magnetic…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: 2) Consider a point located at a distance a above the edge of a "semi-infinite" line of charge.. The…

A:

Q: The position function of the object is defined as S(t) = -4.9t +120f, where s(t) is measured in…

A:

Q: Two charges separated by 3 meters exert 18-N forces on each other. If the charges are pushed to…

A:

Q: A 0.32-kg mass at the end of a spring oscillates 2.4 times per second with an amplitude of 0.20 m.…

A:

Q: The magnetosphere of the Earth may be characterized by an electron number density n.=1011 m³ a…

A: Given: Electron number density ne = 1011 m-3. Temperature of magnetosphere T = 1100 K. Time between…

Q: What force must be applied to the end of a rod along the x -axis of length 3.5 m in order to produce…

A:

Q: The figure below shows three stars rotating in circular path. They have equal mas m (they form an…

A:

Q: (a) Find the dot product of Ā · B A = 2.0 î – 4.0 j +k B = 3.0 î + 4.0 Ĵ+ 10k (b) Find the angle…

A: A·B=(2i-4j+k)·(3i+4j+10k) A·B=6-16+10=0 Hence, Dot product of two vectors are 0.

Q: What power of spectacle lens is needed to correct the vision of a nearsighted person whose far point…

A: we have given, near sighted person whose far vision point is 47.4 cm and the corrective lens is held…

Q: 6. Jupiter's magnetic field occupies a volume of space larger than the Sun and contains ionized…

A: Solution:   a) The maximum magnetic force on the ion from Jupiter's magnetic field is calculated as:…

Q: Calculate the divergence V.A (r,ø,z) for the vector field A(r,0,z) defined as A(r, 6, z) = (2zr…

A:

Q: Photons of different frequencies are incident upon a copper surface, which has a work function 0=4.7…

A: Given : work function, φ = 4.7 eV = 7.52 * 10-19 J 1 eV = 1.6 * 10-19 J  frequency, ? = 2 * 1015 Hz…

Q: Bobby is riding a relativistic bullet train that is traveling with a velocity v=0.95c. He is…

A: Let L0 denote the rest length of the meter stick, L denote the contracted length, v denote the speed…

Q: || The free-fall acceleration on the moon is 1.62 m/s². What is the length of a pendulum whose…

A: The time period of a pendulum is given by T = 2πLg, where L = the length of the pendulum and g =…

Q: A karate chop breaks a board with a blow of 3000 N. The force that acts on the hand during this…

A: Given that :Force

Q: On a level road the stopping distance for a certain car traveling at 80 km/hr due to friction is 32…

A: