What power of spectacle lens is needed to correct the vision of a nearsighted person whose far point is 47.4 cm? Assume the spectacle (corrective) lens is held 1.52 cn away from the eye by eyeglass frames.
Q: A river flows due south with a speed of2.0 m/s. You steer a motorboat across the river; your velocit...
A: Given data, Velocity of the river with respect to ground = 2 m/s Velocity of the boat with respect t...
Q: Please help asap
A: Given: The number of loops is N=12. The angle made by magnetic field is θ=40∘. The radius of loop o...
Q: Please round your answer to the fourth decimal place - I.e. 14.3325
A:
Q: In an effort to stay awake for an all-night study session, a studentmakes a cup of coffee by first p...
A: Given: Power of heater P=200 W = 200 J Weight of the water= 0.320 kg specif...
Q: The velocity of a wave is defined as "the product of the wavelength and frequency". If the velocity ...
A: Correct option- a.) longer wavelength, lower frequency Explanation- Velocity of wave is defined as t...
Q: I need help with this question!
A:
Q: Choose correct answer: 1. Which of the following is a potential source of information used in a 360-...
A: Given:Q1) Which of the following is a potential source of information used in a 360-degree performa...
Q: 3. Adult cheetahs, the fastest of the great cats, have a mass of about 70 kg and have been clocked r...
A: Given: Speed of adult cheetah is v= 72mph= 32ms-1 Mass of adult cheetah is m= 70kg To fi...
Q: The diatomic molecule N2 has a rotational constant B(~) = 2.0 cm-1 and a vibrational constant v(~) =...
A: (a)the rotational partition function is: qrot=kBTBσ =207.9cm-12*2cm-1=51.975 for the high temperatur...
Q: Identifying Forces Any object that is being pushed or pulled is experiencing a force. Looking at Fig...
A: 1) The dog is pulling the girl through the leash. So the dog is applying a force on a leash and in r...
Q: Calculate the de Broglie wavelength of ( a) 5.00 g bullet that is moving at 340 m/s. Will the bullet...
A: Given: The mass of the bullet ,m=5 g The bullet is moving with a speed , v=340 m/s Formula used: λ=h...
Q: The potential (relative to a point at infinity) midway between two charges of equal magnitude and op...
A:
Q: In the figure, there is a very long hollow cylindrical layer with inner radius a and outer radius b ...
A:
Q: Please solve (d) and (e)
A: M = 5.97x1024 R= 6.38x106 Angular momentum of the earth remains conserved after collision. therefore...
Q: Can someone help asap
A: If we close the switch after long time, so the potential across the inductor is zero because: EMF = ...
Q: QUESTION 8 A child runs up to a merry go round rotating at 0.44 rad/s. He pushes the merry go round ...
A: This is a problem based on conservation of Energy. Weight of the disc = 176 kg Initial angular velo...
Q: List down activities that you can do every day to improve your skill related fitness Friday: Physica...
A: There are various exercises you can do to improve your fitness and skills.
Q: A futuristic rocket ship of mass m,hip = 6.0 x 10° kg is sent into space carrying one person with th...
A:
Q: Doping changes the Fermi energy of a semiconductor. Consider silicon, with a gap of 1.11 ev between ...
A:
Q: a question of quantum mechanics: Consider a particle in a two-dimensional potential as shown in the...
A:
Q: Please explain using the formula that I provided. Why we use that formula and how? Thank you
A: B=0.50 T,Initial Area, Ai=3.0×10-3m2Final Area, Af=1.6×10-3m2Time, t=1.6 s
Q: Please put complete solution and box the final answer
A: Since 1-kilo calorie is equivalent to 4184 J.
Q: A rod of leugth / located along the y axis has a total charge Q and a uniform linear charge density ...
A: The electric potential at a point is defined as the work done in moving a positive charge from infin...
Q: Q1/ Compare between the heat engine and the heat pump?
A: A heat engine is system which is used to convert the one form of energy namely thermal or heat energ...
Q: Suppose you have an experiment set up in which a laser enters a glass of water from below at the cri...
A: Critical angle is the angle of incidence when the angle of refraction is 90 degree.
Q: 3. An aluminum cap which serves as a cover to a glass pyrex jar is tightly attached to the glass; To...
A: Solution: Given Values, T1=300 CT2=700 CαA=25×10-6αg=9×10-6R0=62=3 cm
Q: 1.2) In a region of gas where the optical depth is 2.0, what percentage of photons can escape withou...
A: Optical depth is defined as the total number of mean free paths from the origin to the surface as me...
Q: Please help asap
A: Since after very long time inductor will behave like a short circuit thus we can remove it from the ...
Q: The radiocarbon in our bodies is one of the naturally occurring sources of radiation. Let’s see how ...
A: 14C decays via the process of beta decay, in which a nitrogen atom is produced along with an electro...
Q: A motor cycle of mass 400 kg is moving with a certain velocity. It is brought to rest by the applica...
A: Given, Mass,M=400kgForce,F=-1000NFinal Velocity,v=0m/sDistance,s=40m First we calculate the accelera...
Q: A square is acted upon by the forces of 4, 6, 8, and 12N respectively along the four sides as shown....
A: Given: Side of the square is 0.5m. The forces are acting on the square as:
Q: The speaker diaphragm with a diameter of 30 cm oscillates with an amplitude of shift 0.020 mm. Calcu...
A: Assumptions : Frequency of the electrical signal= 1kHz Angular frequency of the signal = ω=2πx103 ra...
Q: The average density of a man is 1.04 g/cm3. For 20% (by volume) of an 93-kg person to be above a lak...
A: Given information: The average density of the man (d) = 1.04 g/cm3 The volume of the man should be ...
Q: In the amusement park ride Mr. Freeze, riders are uniformly accelerated from rest by magnetic induct...
A: Given information: The initial velocity of the train (u) = 0 m/s The length of the track (l) = 70 m ...
Q: When is a 1.5 V AAA battery not actually a 1.5 V battery? That is, when do its terminals provide a p...
A: Let assume,Current 'i' is flowing through the batteryEmf of the battery is 'ε'And the internal resis...
Q: 1. A person is standing at rest inside his room. Does the first law of motion suggest that the perso...
A: Explanation: 1. Newton’s first law of motion suggest that objects at rest will stay at rest and thos...
Q: You are designing a weather rocket that is to be launched from rest, vertically upward off the groun...
A: Given: The time for which engine burns is t=2.5 s. The initial acceleration of rocket is ayit=bt3. ...
Q: Is there more than one form of starch?
A: There are two forms of starch.
Q: Three 92.4 g masses are connected in a triangular shape by massless rigid wires as shown in the firs...
A: Xcm=x1m1+x2m2+x3m3m1+m2+m3=x1+x2+x33=0+14.2+16.33=10.16cm
Q: Blood of density 1,060 kg/m3 and viscosity 0.0034 Pa/s flows through an aorta with radius 0.013 m. ...
A: Let us denote the Womersley number with α. Here we have density of fluid (ρ) , viscosity of fluid (...
Q: You are trying to overhear a juicy conversation,but from your distance of 15.0 m, it sounds like onl...
A: Given: The initial distance of a person is r1=15.0 m. The initial intensity of sound level is β1=20...
Q: If AZEli represents the initial nuclide, what is the decay process or processes if the final nuclide...
A: Given: To explain the decay process of the final nuclide for the initial nuclide as, EZAli
Q: In an adiabatic process for an ideal gas, the pressure decreases. In this process does the internal ...
A: According to question, for an ideal gas the pressure decreases during adiabatic process, So for adia...
Q: The below perfectly conductive parallel plate core is divided into three equal parts and a material ...
A:
Q: Please help asap
A: B. Arrangement B
Q: i need the answer quickly
A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for yo...
Q: Alice is sitting on her rectangular shaped sofa with dimensions of 2m × 1m (ignore theother dimensio...
A: Given: rectangular shaped sofa dimension=2m × 1m Movie duration= 2 hours Bob pausing by Alice's wind...
Q: In an R-C circuit, a resistor, an uncharged capacitor, a dc battery, and an open switch are in serie...
A: Just after the switch is closed in the R-C circuit, the current flow across the resistor R and the...
Q: Table 1. Free Fall h (cm ) t1 ( s ) t2 ( s ) t3 ( s ) 40.0 0.2850 ...
A: Given: L1=0.3 mL2=0.7 m Introduction: Acceleration due to gravity is the acceleration gained by an o...
Q: A metal surface is illuminated with photons with a frequency f=1.5 ×10 ^15 Hz. The stopping potentia...
A: Given:- frequency f=1.5 ×1015 Hz. The stopping potential for electrons photo emitted from ...
Step by step
Solved in 2 steps