Find the time in an RL circuit in which L= 0.3H and R=30.0 ohm when current drops from 0.2 A to 0.05A?

Q: A 7.33 kg particle with velocity v = (1.80 m/s) (6.97 m/s ) is at x = 5.08 m, y = 3.64 m. It is…

A:

Q: A beaker with a mirrored bottom is filled with a liquid whose index of refraction is nliq = 2.37. A…

A: Solution:Given:nair = refractive index of air = 1.00nliq = refractive index of liquid = 2.37θin =…

Q: A steel plate has a hole drilled through it. The plate is put into a furnace and heated. What…

A: When heat is supplied to an object, its length (in the case of solid), its surface area (in the case…

Q: A puck of mass m = 0.055 kg is moving in a circle on a horizontal frictionless surface. It is held…

A:

Q: A rectangular solid made of carbon has sides of lengths 1.0 cm, 2.0 cm, and 4.0 cm, lying along the…

A:

Q: . A train with a proper length or length at rest of 200 m is traveling at a relativistic speed. If…

A:

Q: Two straight parallel wires are separated by 8.0 cm. There is a 3.0 A current flowing in the first…

A:

Q: You have a solenoid, which is carrying a 1.25 A current. If the solenoid has 4,890 turns and is 0.22…

A:

Q: A single roller coaster cart with mass of 500kg is perched atop a 75m drop. It rolls down the hill…

A:

Q: tanding waves of frequency 17 Hz are produced on a string that has a mass per unit length of 0.0160…

A: Given f = frequency of the standing wave (17 Hz in this case) n = mode of the standing wave (for…

Q: view Conceptual Example 7 before starting this problem. A uniform plank of length 5.0 m and weight…

A:

Q: Consider a pipe of length L that is open at both ends. What are the wavelengths of the three…

A: Given ,Length of the pipe = L Let , wavelength = λSo , Length of the pipe is given by , L = nλ / 2…

Q: Two step-up transformers are connected in series, the secondary of the first to the primary of the…

A:

Q: A transverse wave in a string is described by the following equation y(x,t) = 0.030 m sin[(5 rad/m)…

A: Given data:Wave equation: Linear density of the string: Concept: Power is the rate at which energy…

Q: Use following information to answer parts a-b: Jack has a dream that he is stranded in the middle of…

A: a) Considering Newton's Second law, we know that the Force equates to the rate of change of momentum…

Q: A 10-centimeter glass rod has a charge of +10 picocoulombs.  What is the electric field 3…

A:

Q: Consider the following figure. 8.00 μC y 4.00 μC Ⓡ (a) Find the electric potential, taking zero at…

A:

Q: t (s) ect's distance traveled as a function of time is shown in the graph ab shows object…

A: Distance -Time graph shows how far an object is traveled.Slope iof the line in a distance- time…

Q: 3. One way to generate a uniform electric field is to use a parallel plate capacitor. The two plates…

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

Q: A long pair of insulated wires serves to conduct 23.5 AA of dc current to and from an instrument.…

A:

Q: A device called a railgun uses the magnetic force on currents to launch projectiles at very high…

A:

Q: At room temperature the semiconductor Si has an energy gap of AE = 1.12 eV, that separates the…

A: The ratio of number of electrons in the higher energy level to the number in the lower energy level…

Q: where did 0.6 come from

A: By asking where 0.6 is from, I guess you wanted to ask the operation in the above step where is is…

Q: What is the mass of a person accelerating downward at -5.45 m/s² if they are standing on a scale…

A: Solution:Given:W = weight of person in accelerated elevator = 236 Na = acceleration of elevator…

Q: (a) How much energy is stored in the capacitor if it is connected to a 9.00-V battery? (b) If the…

A: (a)The energy stored in the capacitor is given by,Thus, the energy stored in the capacitor is .

Q: 2. At a construction site, a 65.0-kg bucket of concrete hangs from a light cable that passes over a…

A: The mass of the bucket of concrete, The mass of the box, The mass of gravel, The coefficient of…

Q: Three charges are arranged as shown in the figure below. Find the magnitude and direction of the…

A: Solution:Given:k = Coulomb's constant = 8.99 x 109 N.m2/C2 q1 = strength of charge 1 = -3.00 nCq2 =…

Q: An electron is initially at rest on the surface of a spherical conductor with a radius of 0.01 m and…

A:

Q: To increase the capacitance of a parallel plate capacitor, one could increase the potential…

A:

Q: a wavelength of 9.57\times 10^(-6) meters. Write this number in sta silometers. Write this number in…

A: Given data: Wavelength: Concept: Sta Silometer is a unit of length used in astronomy, specifically…

Q: is the gravitational energy (relative to the unstretched surface of the trampoline) of a 20 kg ball…

A:

Q: In the figure seven charged particles are fixed in place to form a square with an edge length of 2.7…

A:

Q: How many kilometers per liter will a car obtain if its engine is 25 percent efficient and it…

A:

Q: Problem 2. A ring of charge A thin ring of radius R is uniformly charged with the total positive…

A:

Q: ou and a group of friends are on a day trip to a nearby national park. After a fun-filled day of…

A:

Q: A stretched string has a length of 10 m and a wave speed in the string of 25 m/s. What is the second…

A: Length (L) = 10 mSpeed of the wave,           v = 25 m/s

Q: 3.0 g bullet moving at 120 m/s on striking a 50 g block of wo ock. Calculate the rise of temperature…

A:

Q: People have proposed driving motors with the earth's magnetic field. This is possible in principle,…

A:

Q: spinning top with an initial moment of inertia of 0.3 kg•m? is rotating at an initial angular…

A: Initial moment of inertia    I1 = 0.3 kg.m2Final moment of inertia    I2 = 0.2 kg.m2initial…

Q: What is physics?

A: Physics is a branch of science that seeks to understand the fundamental principles and laws that…

Q: The radius of a typical nucleus is about 5.0x10-15 m. Assume this to be the uncertainty in the…

A:

Q: A bulb emits light ranging in wavelength from 1.04E-7 m to 6.04E-7 m. What is the minimum wave…

A:

Q: A parallel-plate capacitor has capacitance 8.50 μF. (a) How much energy is stored in the capacitor…

A: The capacitance of the capacitor The voltage of the battery

Q: By what percent has the cubic term increased the work over what would be needed to compress an ideal…

A: Write the expression for the ideal spring work and substitute the corresponding values.

Q: 9. In the small arc (radius 10 m), you enter the turn at the top at 13 m/s, and slow down uniformly…

A: The radius of the small arc, The initial velocity of the point X, The final velocity of the point X…

Q: What was the potential difference that stopped the electron? Express your answer with the…

A:

Q: What is the capacitance of two square parallel plates 3.8 cm on a side that are separated by 1.4 mm…

A: Given data:Plate side =3.8 cm=3.8×10^-2 m Plate area (A) =3.8×3.8×10^-4 m^2=1.44×10^-3m^2 Distance…

Q: Consider the following three groups of point charges. Assume all groups are far apart Rank the…

A:

Q: Force F. (10N) sin (2πt/4.0s) (where t in s) is exerted on a 490 g particle during the interval 0 s≤…

A:

Q: A tennis player swings her 1000 g racket with a speed of 14.0 m/s. She hits a 60 g tennis ball that…

A: