A radioactive substance loses 3% of its substance every 5 years. What is the half-life of this substance?
Q: 1. Naturally occuring boron consists of 80.22% 11B (nuclidic mass = 11.009) and 19.78% another isoto...
A: Given: The atomic mass of the naturally occurring boron is X = 11.009 amu The percentage of naturall...
Q: A particle of mass m moves along the x-axis. Its potential energy at any point x is, V(x) = Voz²e=z²...
A: Given:particle of mass mhas potential energyV(x) = Vox2e-x2 here Vo is constantAsked:a. Find fo...
Q: A patient with a refractive myopia cannot see objects clearly if they are further away than 10 m. To...
A: A far point is defined as the farthest point at which an object can be placed for its image to be fo...
Q: Shown below is a circuit that consists of four resistors and a battery. The resistance of each resis...
A: Given R1= 4ΩR2= 6ΩR3= 3ΩR4=2Ω
Q: Given the points T (5, 20°, 120°) to P (2, 80°, 30°): 1.) find the unit vector in cartesian coordi...
A: Given, T (5, 20°, 120°) to P (2, 80°, 30°)
Q: If gravitational forces alone prevent a spherical, rotating neutron star from disintegrating, estima...
A:
Q: 5. Three forces act on the ring. If the resultant force FR has a magnitude and direction as shown, d...
A:
Q: Mathematically, prove the accuracy of Kepler’s 3rd law by computing and recording the values in the ...
A: From Keplers third law or the law of orbits, the time period of revolution of a planet (T) about the...
Q: 10) Defining the zero of potential to be along the z-axis (x =y = 0), what is the sign of the potent...
A: 10. If moving outward from the center then electric field will decreases the potential. V(a)<0...
Q: A jet airplane with a 82.0 m wingspan is flying at 290 m/s. What emf is induced between wing tips if...
A: The jet airplane, moving through the magnetic field of the earth behaves like a conductor moving th...
Q: What mass of water ice at -12° C must be added to 0.830 kg of liquid water that is initially at a te...
A: Solution:-Given thatInitial temperature of ice (Tic)=-12°Cmass of liquid water (mw)=0.830 kgInitial ...
Q: A0.0012 C charged cart is initially at rest on a ramp (11maway from the bottom of the ramp). At the ...
A: Given that:- The 100 kg cart is initially at a distance of 1.1 m along the ramp, at rest. This cart ...
Q: A car traveling on a level horizontal road comes to a bridge during a storm and finds the bridge was...
A:
Q: The random variable x has the probability density if 0 <x < ∞ p(x) = {Ae- x< 0 (a) Determine the nor...
A: Given, probability density is px=Ae-λx if 0≤x≤∞0 if x<0 a) The probability...
Q: The internal energy of a hypothetical substance is given by u(T,v)=42VT+4v where the units of u in J...
A:
Q: d singlet state and triplet state to emit light energy? Please answer shorty at your own words. Answ...
A: The related concept is fluorescence. The absorbance of radiation, an electron in singlet state is ex...
Q: What is the direction of the induced current if the magnet is moving away from the coil (downward)? ...
A: Solution attached in the next step
Q: . When the nucleus of a uranium-235 atom is divided into two smaller nuclei, mass is converted into ...
A: Heavy metal uranium has been used as a concentrated energy source for more than 60 years. The abunda...
Q: Q1: what is the speed does a meter stick move if its length is observed to shrink to 0.5 m?
A: Given Data The original length of the stick is:Lo=1 m The shrink/contracted length is:L=0.5 m To f...
Q: A Particle of mass 0.8Kg is attached to one end of a Oobm. The COtler End of te String is cttached. ...
A: Let m be the mass of the particle, where; m=.8kg Let the natural length of the string be : l=.6m Giv...
Q: A tungsten wire has a radius of 0.085 mm and is heated from 20.0 to 1344 °C. The temperature coeffic...
A: Given Data The radius of the tungsten wire is:r=0.085 mm=0.085×10-3 m The change in temperature is:...
Q: As it passes the Babuyan Island, the eye of typhoon Rosing is moving in the direction 60 degrees nor...
A: A graphical representation of the above problem is shown below
Q: 2. DESCRIPTION OF THE IMAGE LOCATION: ORIENTATION: (UPRIGHT / INVERTED) SIZE: SMALL / BIG / SAME TYP...
A:
Q: A force F (x) = (3.0/x) N acts on a particle as it moves along the positive x-axis. (a) How much wor...
A: Given, F(x)=3xParticle moves from x= 2 m to x= 5 m
Q: YA YA 어 -iz Vi Port I Vz Hle Ez] and [YJ matrices for He 2 -port retworks Devrive
A: A two port network is a pair of two-terminal electrical network where the current enters through one...
Q: 3.5.8. [Level 1] A fisherwoman F has hooked a shark S, and the shark maintains a constant speed of v...
A:
Q: What is the important quantity to distinguish metals from insulators or semiconductors
A: Band theory is a quantum model in solid-state physics that predicts the energies of electrons in a s...
Q: A saturn year is 29.5 times the ear th year. How far is the saturn fro m the sun if the earth is 1.5...
A:
Q: Give the vector in cartesian coordinates that extends from B(4, 20degrees, 10degrees) to W(7, 120deg...
A: The conversion of spherical polar coordinates into cartesian is given by x=rsinθcosφy=rsinθsinφy=rco...
Q: Three resistors 2 $\Omega $, 4 $\Omega $ and 5 $\Omega $ are combined in parallel. If the combinatio...
A:
Q: Calculate the proportion of light reflected from a silicon solar cell in contact with air under irra...
A: Snell's law or Snell-Descartes law gives the relationship between the angles of incidence and refrac...
Q: A golf game is being played on Mars. A 45.0 g golf ball is hit with a club and leaves with a velocit...
A: Solution: a). The mass of the golf ball and the final velocity of the ball has been given. The momen...
Q: The two structural members, one of which is in tension and the other in compression, exert the indic...
A: Solution:-Given thatJoint O of the structural member;
Q: Calculate the wavelength of a photon (in nm) emitted by a hydrogen atom when its electron drops from...
A: Given For a hydrogen atom An electron drops from the energy state n=5 to the energy state n=2. So ...
Q: 2b the omplilude of sfhe two inforkering nof equal, then the daik feint yormed in the interference p...
A: To find- Intensity of dark point=? Given- Amplitudes of two waves are not equal i.e. A1≠A2 The dark...
Q: A block with a mass of 15kg is attached to a spring on it's left and right sides .the left spring ha...
A:
Q: ou seek to characterize the motion of a puck as it slides across a flat icy surface. The dependent v...
A: The problem is based upon dependent and independent variables. In any physics experiment, generally,...
Q: 3) (a) What in the equivalent resistance in the circuit shown in the figgure? (b) What is the voltag...
A: The equivalent resistance is to be evaluated in the given circuit. In the given circuit R2 and R3 ar...
Q: QZ02 Determine the resultant of forces A and B, and state thẻ direction of the resultant force measu...
A:
Q: In a potentiometer experiment with the same source of constant e.m.f. (same driving cell) the follow...
A: To find- Value of E=?Given-E1=1.5 Vl1=1 ml2=2 m
Q: A patient with a refractive myopia cannot see objects clearly if they are further away than 10 m. To...
A: Given: Image Distance,v=-10mObject Distance,u=-100m The relation between the object distance, image ...
Q: Prove that the Hamiltonian of the system is constant of motion iff potential energy doesn't depends ...
A:
Q: Vs vs (7 IS R2 Vo ww R3 R1 R4 When IS is active while ww
A:
Q: Suppose you are taking a hike at Mt. Pulag with a terrain slope of 24° from the horizontal. After wa...
A:
Q: Which wave behavior does each object from the interactive demonstrate? Wave behaviors may be used mo...
A: Given:
Q: 5. Find the relative permittivity ɛr of the dielectric material present in a parallel-plate capacito...
A: Given Data : A = 0.12 m² d = 80 × 10-6 m V = 12 volt Energy, U = 1×10-6 Joule To find : Relative ...
Q: How many zero force members are there in the truss? 600 N 00 0 1
A: Zero force member is the member in which the force in it is Zero.
Q: An astronaut of mass 65.0 kg is at rest relative to her space vehicle with nothing behind her except...
A:
Q: Four vectors have the following x-components: -99, 104, 56, -33. What is the x-component of the resu...
A:
Q: By inductive reasoning, the sums 1 + 3,1+3 + 5; 1 + 3 + 5 + 7, are? all even numers never perfect sq...
A: First we sum the numbers and find the sum and then check the conditions given. Therefore by inductiv...
Calculate the half life of the substance.
Step by step
Solved in 2 steps