The half-life, which is unique to any given isotope, is defined as:

Q: -15 A small droplet of oil with a mass of 2.00 x 10 kg is given a small excess charge, which allows…

A: Given data:  A small droplet held suspended  Direction of electric field = upward Required:  The…

Q: height in (A) must the wooden board be inclined such that the maximum static friction is obtained…

A: For maximum friction angle of inclined must be equal to angle of repose.

Q: The plane of the loop is rotated until it makes a 43° angle with the field lines. What is the angle…

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Q: Determine the value and sign of a source charge qo centered at the origin that generates an electric…

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Q: Which of the following is not a vector?

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Q: 2. A spring hangs from the ceiling. A mass of 0.50 kg is attached to the end of the spring which…

A: The time period of simple harmonic motion of a mass m attached to a spring of spring constant k is…

Q: A body is uniformly accelerating from zero to 1.8 m/s^2 at 4 s. If its initial velocity is 3 m/s,…

A: The given problem can be solved using the following kinematical equation of motion s=ut+12at2s is…

Q: In the figure, light from ray A refracts from material 1 into a thin layer of material 2, crosses…

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Q: The potential difference between two parallel plates is 6.00 x 103 V. Electrons can enter…

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Q: What is the potential at point A when q1 = -40 microC and q2 = %3D +40 microC? A +) 10 cm 5 cm

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Q: Write T if the statement is TRUE. If False, change the underlined word or phrase to make the…

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Q: A person on earth notices a rocket approaching from the right at a speed of 0.79c and another rocket…

A: Given  V1 = 0.79c  moving  from  right  to  left  . (w.r.t observer at earth)  V2 = 0.55 c    moving…

Q: A wire of length L and resistance R is stretched so that the length is doubled and area of cross…

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Q: 2. Solve for I1, l2, l3, Itotal, and Reg. R, 150 Q R2 50 N R3 + 24 V 100 2 I2 R5 250 N R4 300 N

A: Since the ratios of R1/R4 and R2/R5 are unequal, we know that there will be voltage across resistor…

Q: (1a). Black body has emissivity value of 1, bu reality, the emissivity of real objects is less tl…

A: 1. black body has emissivity value is 1

Q: 18 20 A student uses an electric heater to raise the temperature of water. Fig. 20.1 shows some of…

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Q: n a uniform field, if a proton moves in the same direction as the electric field, the potential…

A: When a proton moves in the direction of the electric field, the force on the proton…

Q: can i use 347.616 in computing for TA? or is it 348 only

A: In the given calculation the value comes out as 347.616.

Q: 5. If the roller coaster starts from rest at A and its speed increases at a, = (6- 0.06s) m/s²,…

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Q: A charged capacitor is connected across a 9.2 Ω resistor and allowed to be discharged. The…

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Q: You and a friend go outside on a cold winter’s morning and see that the front tire of your bike…

A: I think my friend is correct due to cold temperature the gas is compressed and the tire of bike…

Q: A 1.0-kg block (m1) is attached to the end of a 2.5-m string to form a pendulum. This pendulum is…

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

Q: How is the capacitance of a parallel-plate capacitor affected by the potential difference across the…

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Q: What is physics

A: Physics is branch of science which deals with study of matter , energy and their relationship.

Q: *53. (II) A meter stick is hung at its center from a thin wire (Fig. 14-35a). It is twisted and…

A: Initial Time period=5 s

Q: need answers for both

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Q: How far is the second dark fringe to the right of the central bright fringe in the double-slit…

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Q: A car starts its motion from rest with a constant acceleration of 4m/s^2. What is the average…

A: Apply the first kinematic equation and substitute the required values to determine the value of…

Q: How is the capacitance of a parallel-plate capacitor affected by the potential difference across the…

A: Capacitor is a device which is used to store charge in an electric circuit and its SI unit is Farad.

Q: An empty roller-coaster car weighs 400n. It does 80KJ of work against gravity in travelling to the…

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Q: A computer disk drive is turned on starting from rest and has constant angular acceleration. If it…

A: initial angular velocity (ω) = 0 radsectime taken to complete second revolution (t2) = 0.74 sec Let…

Q: A 920 cm X 1120 cm house is built on a 17.2 cm thick concrete slab of thermal conductivity 0.68…

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Q: A woman finds the front windshield of her car covered with ice at -14.3 °C. The ice has a thickness…

A: Given, temperature of the ice in front windshield, T = -14.3 °C thickness of the ice, t = 4.86×10-4…

Q: Example Problem 14.1b Determine the work of the force. 2 m- F = (6 s) N E

A: Given value--- Force = 6s2 N. distance = 2 m. We have to find--- work done of the force ?

Q: When a 4 V battery is connected to a capacitor, what is the voltage across the capacitor after a…

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Q: A 6.0-gram champagne cork is shot out of an opened champagne bottle and traveled at a speed of 65…

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Q: Problem 8 Show that the solution given for an underdamped harmonic oscillator, x(t) = Ae-bt/2m…

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Q: The diagram above shows a ball (A) which is moving at 5ms-' before colliding with another…

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Q: A charge of 44.0 nC is placed in a uniform electric field that is directed vertically upward and has…

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Q: Find the current of '3 R, R, 200 100 10v 수v, 20v 2 B A) 0.429 A B) 0.356 A c) 0.286 A D) 0.143 A

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Q: A rock is thrown at a level ground with an angle of inclination of 22.78° and initial velocity of…

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Q: 5. A mass of 25 g moves with simple harmonic motion. It has "springiness" of 1.5N/m and friction…

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Q: Unpolarized light is sent into a system of three polarizing sheets. The angles θ1, θ2, and θ3 of the…

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Q: When two or more capacitors are connected in series to a battery,   the total voltage across the…

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Q: A proton moves with a velocity of v = (2î – 4f + k) m/s in a region in which the magnetic field is B…

A: Given  Velocity of the proton is given as v→=2i^-4j^+k^ m/s Magnetic field is B→=i^+2j^-3k^ T   We…

Q: Consider the following. (a) Find the angle ? locating the first minimum in the Fraunhofer…

A: Given: Wavelength of light, λ= 581 nm Single slit width, d= 0.182 mm   To determine (a) Angle…

Q: In a uniform field, if an electron moves in the same direction as the electric field, the potential…

A: A positive charge generates an electric field, which flows towards a negative charge. The electric…

Q: The coherence length of an ordinary white light source can be increased if we place a color filter…

A: Given Emerging light wavelength = 564 nm  The coherence length = 0.09100 mm  We have to find out The…

Q: Let there be two vectors, C= 15i + 2j - 8k and | D | = 14 Determine the dot product of vector C and…

A: We have two vectors given by C→=15i^+2j^-8k^ and magnitude of the other vector |D|=14. Let the…

Q: What must be the distance travelled by the cart down the inclined in (D)?

A: Experimental acceleration = a = 2.974 m/s2 T1 = 0.941 s T2 = 0.938 s T3 = 0.921 s Taverage = (T1 +T2…

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.