Q: Calculate the Bohr radius of the n=5 excited state in a hydrogen atom.
A: Bohr radius for hydrogen:We know, Bohr radius for hydrogen is given by the formula:rn = 0.529n2 Å…
Q: Create a Ruby program for managing a grocery store's inventory system. The inventory Information is…
A: InventoryItem class: This class represents an inventory item with attributes like SKU, name,…
Q: Distances to very remote galaxies are estimated based on their apparent type, which indicate the…
A: Distances to very remote galaxies are estimated based on their apparent type, which indicate the…
Q: 3. Find the value of A? A k 13 ft 7 ft 100 lbs
A: The principle of moments states that for a seesaw to balance, the total torque on one side must be…
Q: The Mars Global Surveyor orbits Mars at an average altitude of 380 km. The average radius of Mars is…
A: Introduction:We know, tangential velocity is given as:v=ωR=(T2π)R .....(1) Given values:The…
Q: PART A: Two long wires, one of which has a semicircular bend of radius R and center P, are…
A: Step 1:Part (1):The current in the circular loop is flowing upwards. According to Right hand thumb…
Q: . Why are the forces exerted on the outside world by the limbs of our bodies usually much smaller…
A:
Q: An electron was accelerated to 0.98c in along particle accelerator. If the proper length ofthe path…
A: The objective of the question is to find the length experienced by an electron moving at a speed…
Q: 1. In the figure, a block of mass m = 12 kg is released from rest on a frictionless incline of angle…
A: The objective of this question is to find out how far the block moves down the incline from its rest…
Q: Two long, parallel wires carrycurrents I1 = 2 A and I2 = 3 A asshown in the figure. If the distance…
A:
Q: Hbvagah8818182
A: Step 1:a=0.5mr = a/sqrt(3)r = 0.2887 m =0.2887m Step 2:Using Coulomb's law…
Q: We observe a star that is dstar away. How much extinction would there need to be (i.e., what must…
A:
Q: Please have step by step solutions and exp
A:
Q: Q4: Discuss the following phrase "The magic numbers are accounted for on the basis of energy gaps…
A: Description:The prompt appears to describe a scenario where a ray of light strikes a flat mirror at…
Q: Week 13 SGM 1) A ray of light is incident on the surface of a flat mirror as shown in the pictures…
A:
Q: Hydrogen molecules, with a molar mass of 2.016 g/mol, in a certain gas have an rms speed of 490 m/s.…
A: The objective of the question is to find the temperature of a gas given the root mean square (rms)…
Q: University Physics 1 - Gravitation & Oscillation I need help with this problem and an…
A: The satellite moves in space in an orbit with very high velocity and tends to free fall towards the…
Q: Pa ed ook Hint Print References Check my worl 20 Required information A piano "string" is steel wire…
A:
Q: I. A boy uses a rope to pull a loaded sled of mass m = 125 kg along a horizontal surface of snow at…
A: Variables and FormulasMass of the sled, m=125kgCoefficient of kinetic friction, μk=0.10Angle of…
Q: Four long, parallel conductors carry equal currents of I = 5.40 A. The figure below is an end view…
A:
Q: plz hurry and answer in details, thanks
A:
Q: Which of the following will lead to the greatest decrease in the risk of injury? Group of answer…
A: The objective of the question is to identify the option that will lead to the greatest decrease in…
Q: Hydrogen molecules, with a molar mass of 2.016 g/mol, in a certain gas have an rms speed of 490 m/s.…
A: The formula in getting the root mean squared velocity or VRMS of gas molecules is VRMS=…
Q: Describe the origins of the magnetic field of the Earth. Describe what is meant by magnetic field…
A: The Earth's magnetic field originates from its core, specifically from the outer core, which is…
Q: Mercury is the closest planet to the Sun. has a mass of 3.18 × 1023 kg and an average radius of 2.43…
A: Detailed explanation:A. Acceleration due to gravity on Mercury (gMercury)The formula to calculate…
Q: Create a Ruby program for managing a grocery store's inventory system. The inventory Information is…
A: This Ruby script defines an InventoryItem class, functions to read from and write to inventory…
Q: A car is moving at a high speed along a highway when the driver makes an emergency braking. The…
A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…
Q: Mamenchisaurus, a sauropod dinosaur from Sichuan province in the Late Jurassic period, has one of…
A: Step 1:
Q: 5. Determine the force exerted by the cable at B and the reaction at support A for the bar shown.…
A:
Q: Example 2: Fixing the problem....simple optics. A person who is near-sighted has a far point of 460…
A:
Q: A spherical mirror is to be used to form an image, five times as tall as an object, on a screen…
A:
Q: Suppose you have two forces as shown in the below. Each force is applied to a string connected to a…
A: The objective of this question is to find the horizontal component of the force needed to bring a…
Q: 7) A slide projector has a 100 mm-focal length lens.a. How far away is the screen if a slide is…
A: Given thatObject distance p =Focal length f =Using lwna equation to find the image distance q,1/f =…
Q: Calculate the orbital Bohr radius in nanometers of the n=8 excited state in a hydrogen atom &…
A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…
Q: Use the torque equilibrium equation to find the unknown FG, the weight of the meter stick. Note that…
A: Step 1: Identify the Forces and DistancesForce (F): This is the weight of the unknown object hanging…
Q: Hello, I need help with this task. It is urgent, please help! Thank you! The electron moves with…
A: The objective of the question is to calculate the angular speed of rotation of the electron, the…
Q: The puck in the figure below has a mass of 0.120 kg. The distance of the puck from the center of…
A: The objective of the question is to determine the work done on the puck. This can be done by…
Q: As the intensity of light increases in the photoelectric effect, the ejected electrona. has a…
A: The question is asking about the effect of increasing the intensity of light on the photoelectric…
Q: The key aspect of two-slit interference is the dependence of the total intensity at point O on the…
A:
Q: Advanced Physics Discuss briefly how i) the value of rotation parameters of the galaxy can be…
A: Advanced Physics Discuss briefly how i) the value of rotation parameters of the galaxy can be…
Q: A 1 kg horizontal aluminum bar, 0.1 m long, is pushed by a force F between two vertical metal rods…
A: Lenz law of electromagnetic states that direction of the electric current induced in a loop by…
Q: uppose you're an field engineer inspecting an offshore wind turbine. You're in a boat approaching a…
A:
Q: Two long, parallel, current-carrying wires lie in an xy-plane. The first wire lies on the line y =…
A: Step 1:The first wire lies on the wire y=0.400mCurrent I1is 25AForce per unit length is 290μmNStep…
Q: The Earth covers about 1° per day in its orbit about the Sun, and the solar day is slightly longer…
A: Step 1:If Earth spun in a retrograde direction like Venus but still had the same sidereal period of…
Q: Inertia is best described as resistance to... change in velocity stopping starting…
A: Inertia is the tendency of an object in uniform rest (zero velocity case) or motion, until or unless…
Q: Please show every step in answer
A: Step 1:Step 2:
Q: What speed must an alpha particle maintain if it is to remain suspended, relative to Earth's…
A: We can use the concept of magnetic force acting on a charged particle moving perpendicular to a…
Q: One type of BB gun uses a spring-driven plunger to blow the BB from its barrel. (a) Calculate the…
A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…
Q: You are watering your lawn with a hose when you put your finger over the hose opening to increase…
A:
Q: A satellite used in a cellular telephone network has a mass of 1920 kg and is in a circular orbit at…
A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…
need total resistance for circuilt
Step by step
Solved in 2 steps with 2 images
- The circuit shown in Figure P28.78 is set up in the laboratory to measure an unknown capacitance C in series with a resistance R = 10.0 M powered by a battery whose emf is 6.19 V. The data given in the table are the measured voltages across the capacitor as a function of lime, where t = 0 represents the instant at which the switch is thrown to position b. (a) Construct a graph of In (/v) versus I and perform a linear least-squares fit to the data, (b) From the slope of your graph, obtain a value for the time constant of the circuit and a value for the capacitance. v(V) t(s) In (/v) 6.19 0 5.56 4.87 4.93 11.1 4.34 19.4 3.72 30.8 3.09 46.6 2.47 67.3 1.83 102.2A circuit contains a D cell battery, a switch, a 20- resistor, and four 20-mF capacitors connected in series, (a) What is the equivalent capacitance of the circuit? (b) What is the fiC time constant? (c) How long before the current decreases to 50% of the initial value once the switch is closed?(a) Why are fish reasonably safe in an electrical storm? (b) Why are swimmers nonetheless ordered to get out of the water in the same circumstance?
- Consider the circuit below. The capacitor has a capacitance of 10 mF. The switch is closed and after a long time the capacitor is fully charged, (a) What is the current through each resistor a long time after the switch is closed? (b) What is the voltage across each resistor a long rime after the switch is closed? (c) What is the voltage across the capacitor a long time after the switch is closed? (d) What is the charge on the capacitor a long time after the switch is closed? (e) The switch is then opened. The capacitor discharges through the resistors. How long from the time before the current drops to one fifth of the initial value?You have a faculty position at a community college and are m (caching a class in automotive technology. You are deep in a discussion of using jumper cables to start a car with a dead battery from a car with a fresh battery. You have drawn the circuit diagram in Figure P27.16 to explain the process. The battery on the left is the live batten- in the correctly functioning car, with emf and internal resistance RL where the L. subscript refers to live. Its terminals are connected directly across those of the dead battery, in the middle of the diagram, with emf and internal resistance RD where the D subscript refers to "dead Then, the starter in the car with the dead battery is activated by closing the ignition switch, allowing the car to start. The resistance of the starter is Rs. A student raises his hand and asks, So is the dead battery being charged while the starter is operating? How do you respond?(a) What is the average power output of a heart defibrillator that dissipates 400 J of energy in 10.0 ms? (b) Considering the high-power output, why doesn’t the defibrillator produce serious bums?
- A small office-building air conditioner operates or 408-V AC and consumes 50.0 kW. (a) What is its effective resistance? (b) What is the cost of running the air conditioner during a hot summer month when it is on 8.00 h per day for 30 days and electricity costs 9.00 cenls/kW h ?Referring to Figure CQ21.4, describe what happens to the light-bulb after the switch is closed. Assume the capacitor has a large capacitance and is initially uncharged. Also assume the light illuminates when connected directly across the battery terminals.An ideal emf device is connected to a set of resistors as shown in Figure P29.66. Find an expression for the current through the resistor R3 in terms of the emf and the resistances.
- (a) What is the potential difference going from point a to point b in Figure 21.47? (b) What is the potential difference going from c to b? (c) From e to g? (d) From e to d?Figure 21.55 shows how a bleeder resistor is used to discharge a capacitor after an electronic device is shut off allowing a person to work on the electronics with less risk of shock, (a) What is the time constant? (b) How long will it take to reduce the voltage on the capacitor to 0.250% (5% of 5%) of its full value once discharge begins? (c) If the capacitor is charged to a voltage V0through a 100-O resistance, calculate the time it takes to rise to 0.865V0(This is about two time constants.)A circuit contains a D-cell battery, a switch, a 20- resistor, and three 20-mF capacitors. The capacitors are connected in parallel, and the parallel connection of capacitors are connected in series with the switch, the resistor and the battery, (a) What is die equivalent capacitance of the circuit? (b) What is the KC time constant? (c) How long before the current decreases to 50% of the initial value once the switch is closed?
