At which point is failure fully mobilized in active and passsive cases

Q: An electric iron of resistance 9 ohms takes a current of 2 A. Find the heat developed in 20 s.

A: Given data :                       Resistance     =    R                       Current     =    I…

Q: An aluminum rod 177.4 cm long at 20 °C is heated to 100 °C. What is the new length? Aluminum has a…

A: Given value--- initial length = 177.4 cm. initial temperature = 20 degree C.  final temperature =…

Q: C B D A The picture shows four different vectors. Each of the 16 small squares in the picture…

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Q: A circuit consists of two 100-kΩ resistors in series with an ideal 12.0-V battery. Calculate the…

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Q: Two charged spheres placed a distance D apart exert a repulsive force of 90 N on each other. How far…

A: Given: The initial separation between charges is D. The initial repulsive electric force is 90 N.…

Q: Find the height of ball to be raised masy 18 ky to gain patential energy of of ·645J

A: Given Mass of ball = 18 kg Potential energy = 645 J We have to calculate the height attend by the…

Q: Given the vectors A = 41+ 8j, B = - 8i + 7j and C = 121 - 10j find the resultant and direction by…

A: A→ = 4i^ + 8j^B→ = -8i^ + 7j^C→ = 12i^ - 10j^

Q: 3. As described by the force-position plot shown, a net force F acts on a 1.00 [kg] object. What is…

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Q: A current 0.2 A flows in a wire of resistance 150. Find the potential difference across the ends of…

A: Given data :                      Current     =     I                   Resistance    =    R…

Q: 18. A disk is turning with an angular acceleration of 10 [m/s²]. What is the tangential acceleration…

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Q: What current will be taken by a 1230 W appliance if the supply voltage Is 250 V ?

A: Given data :    Power rating of appliance,   P = 1230 W Supply voltage,   E = 250 V   Let, current…

Q: Find the height of ball to be raised maxx 18 kg to gain patential energy of a645 J

A: Note : S.I unit of Potential Energy is joule denoted by J , and Joule can also be written in…

Q: Determine the momentum of a car having mass 4.5 kg moving with a velocity 3.4 m/s

A: Given : mass (m) = 4.5 kg Velocity (v) = 3.4 m/s Momentum (p) = ? Formula Momentum = mass * velocity…

Q: The three most common forms of radiation caused by nuclear decay are

A: To rank: Penetration ability of alpha, beta and gamma

Q: Express 38 km h-¹ in m s-¹.

A: Given: The phsysical quantity is 38 km/h.

Q: In which circuit do the three resistors have equal voltage drops but carry different current?

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Q: 2. What is the width of a single slit through which 510-nm orange light passes to form a first…

A: Let slit width be =a angle, θ=25°wavelength, w=510nm=510*10-9 m condition for minima= a sin(θ)=mw…

Q: You start out by driving 177 miles north in 4 hours and 44 minutes, and then you stop and park for a…

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Q: Attached photos show three circuits consisting of concentric circular arcs (either half or quarter…

A: The correct answer is option (B) 3, 2, 1

Q: Express 31 km h¹ in m s¹

A: Given: The speed of the object is 31 km/h.

Q: Progress Check 1: Try it out! Draw the direction of force of each item. Assume that the magnetic…

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

Q: 1. (a) Calculate the net work output of a heat engine following path ABCDA in the figure below.…

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Q: -3 Density of copper = 8.98cm³ find density in kg m 3 ?

A: Given:Density of copper is 8.9 g/cm3To Find:Density of copper in kg/m3

Q: Calculate the magn about the base point O of 600N force 2m 409 4m O 600N y X 4n 2m A d 40⁰ 600N

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Q: Using the scalar product of two vectors, determine the angle between the two vectors listed below:…

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Q: Question 1 Using the definition of voltage (or potential) for a point charged object, find the gain…

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Q: You launch a projectile horizontally from a building 35.2 m above the ground at another building…

A: Given data height h1 = 35.2 mdistance between two buildings R = 23.2 mheight where projectile hits…

Q: Solve the problem with illustration.  Given the vectors A = 41+ 8j, B = - 8i + 7j and C = 121 - 10j…

A: Given: The vectors A→ = 4i+ 8j B→ = - 8i + 7j C→ = 12i - 10j To determine the resultant and…

Q: In nuclear fission with uranium-235, a chain reaction is initiated after the first decay because in…

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Q: The ammeter your physics instructor uses for in-class demonstrations has internal resistance r =…

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Q: 3. Which of the circuits has the lowest equivalent resistance?

A: (3) Consider circuit A in which the resistors are connected in parallel. The equivalent resistance…

Q: Graph Force vs. Acceleration.

A: According to Newton's 2nd law:- F=ma => a= F/m So if mass of the object changes then the…

Q: A circuit is constructed with five resistors and a battery as shown. The values for the resistors…

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Q: A small bead 2.75 [mm] in size is located 21.0 [cm] from the center of a concave spherical mirror…

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Q: What current will be taken by a 1230 W appliance if the supply voltage Is 250 V ?

A: Power, P = 1230 W Voltage, V = 250 V Current, I = ?

Q: 2. The half-life of a radioactive sample is 30 minutes. If the sample originally contains 4x10…

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Q: 6-A Carnot engine operates between reservoirs at 20°C and 200°C, the thermal efficiency of the cycle…

A: Part (6):Given: The temperature of the cold reservoir is 20oC. The temperature of the hot reservoir…

Q: There are eight identical charges with magnitude Q Coulombs located at the corners of a cube. Four…

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Q: A 70kg person stands on a scale in an elevator. What is the apparent weight when the elevator is…

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Q: Express 86 km h-¹ in m s1

A: Given data;  Express 86 km h-1 in m s1

Q: (Hand by written ans.)A circular loop (10 turns) with a radius of 29 cm is in a magnetic field that…

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Q: 29 hot air balloons have a mass with a payload (without the air inside) of 200 kg, the temperature…

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Q: 5. What is the kinetic energy of a box of mass 0.75 [kg] sliding on a frictionless surface at a…

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Q: A person who reads from 25 cm with glasses of +1.5 diopter power, how many cm is her near point…

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Q: A 60 Hz power line has an angular frequency “ω” (in rad/s) of:

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Q: - The coefficient of static friction between the two blocks shown in figure is μ and the table is…

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Q: Two protons move parallel to the x-axis in opposite directions at the same speed v=3.0 × 105 m⁄s. At…

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Q: show solution A stone is projected with an initial velocity of 20 m/s at 30 deg with the horizontal…

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Q: A mass of 'M' is attached to a spring whose upper end is fixed. The mass and stiffness of the spring…

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Q: 16 Tandem Cycling Triplets Peter, Reeta and Nikita have two ways for getting home from school each…

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.