2. An emmetrope with +60 D unaccommodated power focuses on an object at a near point of 25 cm from the eye. How much accommodation is required?
Q: Homework 1 1. Draw a free-body diagram of a runner at the instant of foot touchdown.
A: there forces that are acting on the runner while running are the gravitational force, the frictio...
Q: Please help with question #1. Thank you.
A: The angle of the prism is 2.5 degree, and the refractive index of the prism is 1.75. write the expre...
Q: Problem 5 Consider an electron in the hydrogen atom. groundstate. The electron is initially in the
A: The electronic configuration of electron in ground state of the hydrogen atom is 1s1. So, there is ...
Q: A stretched string tied at both ends is oscillating in its second harmonic. The string’s shape is de...
A:
Q: A 1.09 mF capacitor with an initial stored energy of 0.454 J is discharged through a 1.65 MΩ resisto...
A: a) The required initial charge on capacitor is,
Q: (b) What is the current through the starting motor?
A: The current is given by 9.90A, voltage is 11.80V, and the internal resistance of the battery is 0.05...
Q: The Hubble Space Telescope (HST) orbits Earth at an altitude of 613 km. It has an objective mirror t...
A: The altitude of the telescope is, The diameter of the mirror is, The wavelength of the light is, ...
Q: A student is examining a bacterium under the microscope. The E. coli bacterial cell has a mass of mm...
A: the uncertainty in position is,
Q: light travels a distanece of 289974 km in one second.expreesit in three significant figures
A: light travels a distance of 289974 km in one second.
Q: A closed and elevated vertical cylindrical tank with diameter 2.20 mm contains water to a depth of 0...
A:
Q: 7. At the instant she leaves the vault, Simone's velocity is 5 m/s and she is 2.0 m high. Simone's m...
A: The expression for the total mechanical energy is,
Q: At the top of the Blue Ridge parkway nearby (assume 4000ft above sea level), what is air pressure if...
A: The expression for the air pressure P at an altitude h above the sea level is given by the barometri...
Q: Briefly explain your answer.
A: Electric field strength is the directly proportional to the number of field lines per unit area.
Q: High-speed stroboscopic photographs show that the head of a 260-g golf club is traveling at 51 m/s j...
A: Consider the scenario in which head of the golf club of mass M hits the golf ball of mass m with spe...
Q: The actual frame size of "35-mm" film is 24 mm x 36 mm. You want to take a photograph of your friend...
A: Write the magnification equation of a lens
Q: A ball is thrown up at speed 15.0 m/s by a person on the edge of a cliff. The ball can fall to the b...
A: Let the initial velocity with which the ball is thrown vertically upwards be denoted by u1, let the ...
Q: Please answer all parts.
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...
Q: 1) A charge of 0.008 coulombs is placed at each corner of a square 100 meters on a side. The directi...
A: Consider the figure below.
Q: Only answer the question 4. I added question 3 as it is necessary
A:
Q: It's a statistical mechanics question.
A: Let the system of N distinguishable non-interacting objects consist of equally probable N+ ‘up’ stat...
Q: At what position in the diagram is the gravitational force doing positive work?(Check the attached p...
A: Work done by gravity is,
Q: A guitar string of length L = 1.01 m is oriented along the x-direction and under a tension of T = 79...
A:
Q: How much kinetic energy must an alpha particle have before its distance of closest approach to a gol...
A: The required expression for the kinetic energy is,
Q: An electron and a positron are traveling toward each other, the electron with velocity +0.834c and t...
A:
Q: Please help with question #2. Thank you.
A:
Q: Squids are the fastest marine invertebrates, using a powerful set of muscles to take in and then eje...
A: Let the initial momentum of the water - squid system be denoted as pi and let the final momentum of ...
Q: Do you think the Moon could retain an atmosphere of nitrogen for the age of the Solar System? Explai...
A: Earth’s active magnetic field due to convection of molten iron core shields the atmosphere from the ...
Q: 5) Draw the electric field lines in the vicinity of two charges, -3q and +q.
A: Electric field lines point outwards for a positive charge. Electric field lines point inwards for a ...
Q: A father demonstrates projectile motion to his children by placing a pea on his fork's handle and ra...
A: Write the expression for vertical components of velocity
Q: AUnit 6 Part || Google F X X Watch Gangs of Wass X Google Keep E Unit 6 PT II: Work, Ene X G George ...
A: Power is given by,
Q: Problem 3: Starting with the expression derived in the lecture notes for the multiplicity of an idea...
A:
Q: Two identical bullets are fired horizontally with the identical velocities. One bullet is fired from...
A:
Q: Homework help please
A:
Q: 3) A 2.00 N attraction force exist between two point charges. What will the force become if the dist...
A: According to Coulomb’s law,
Q: The electron gun in a television tube accelerates electrons (mass = 9.11 x 10-31 kg, charge = 1.60 ×...
A: Calculate the acceleration of electrons using equation of kinematics,
Q: Consider the combination of capacitors shown in the diagram, where C1 = 3.00 μF, C2 = 11.0 μF , C3 =...
A: (a) The equivalent capacitance is
Q: The figure below shows a fisherman in a boat on a lake. The fisherman's mass is 76 kg, and the boat'...
A: Consider the situation in which fisherman of mass M sitting in a boat of mass mb and both fisherman...
Q: 3. Determine the electric potential of a rod of length L and uniform linear charge density 1 which l...
A:
Q: 1. Find the vector phasor for the instantaneous vector: (a) A = cos wt, (b) A = ŷ sin wt, (c) Ã = î ...
A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for...
Q: Two equal-sized electric generation power plants are built at the same location. Steam is condensed ...
A: The cavitation in the circulation pumps arises when the volume of the fuel needed by any part of the...
Q: Two initially uncharged capacitors, of capacitance C and 2C, are connected in series across a batter...
A:
Q: Please show work
A: Since you have posted a question with multiple subparts, we will solve the first three subparts for ...
Q: Consider standing waves in a pipe of length L = 3.5 m containing a column of air. The speed of sound...
A:
Q: Problem 3: Consider an Einstein solid with N oscillators and total energy U = qe, in the limit N,q »...
A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts fo...
Q: +1.0 nC -1.0 nC A 2.0 cm X 2.0 cm parallel-plate capacitor with a 2.0 mm spacing is charged to + 1.0...
A:
Q: A ball begins at rest (at the point labeled "rest") and rolls along a loop-the-loop track supported ...
A: initially the ball is at rest but have high potential energy adn after it is released the potential ...
Q: Please answer both a and b parts.
A: (a)
Q: The mass of Tesla Model S is 2000 kg and its engine produces 400 Nm of torque. The Mercedes-Benz S C...
A:
Q: if a 25 N force is applied 2 m from the axis of rotation , What is the torque
A:
Q: On the way from a planet to a moon, astro- nauts reach a point where that moon's grav- itational pul...
A:
Please help.
Step by step
Solved in 2 steps with 2 images