Find the Tension of Cord AB in N. Find the Tension of Cord AC in N. Find the Tension of Cord AD in N. If the calculated answer is not whole number, express it in 4 significant figures. If the value is negative, include a negative sign.
Q: Find which of the ∝ and β decays are allowed for 22789Ac
A: The typical alpha and beta decay reactions of a nucleus (X) may be represented as follows: XZA→24α...
Q: A neutral pion (ρ0) has a mass of 264 times the electron mass and decays with a lifetime of 8.4 x 10...
A: Given: The mass of pion is M=264m. The mass of tumor tissue is m1=25 g. Here, M is the mass of pio...
Q: Monochromatic light from a distant source is incident on a slit 0.750 mm wide. On a screen 2.00 m aw...
A: The wavelength of the light is θ1=λa (1) Here,θ1 is the angle of the line from center of slit to f...
Q: Determine the angle a under which a projectile must be launched from point o so that it reaches the ...
A: The shortest distance will have the shortest time. The shortest distance between the point O and the...
Q: Does the speedometer of a car measure speed or velocity? Explain.
A: The speedometer of a car only measures the rotational velocity of the wheels. If you don’t move and ...
Q: I'm so confused about how to do these. Image attached. Thanks so much for your help!
A:
Q: A jet lands on an aircraft at a speed of 175m/hr. (175m/hr. = 78.23m/s). What is jets acceleration i...
A: The magnitude of the acceleration is given by
Q: Calculate the refractive power of the cornea when it is in contact with water. The index of refracti...
A: Consider the pictorial representation of the Cornea’s cross-section as shown below: Outside the...
Q: Two people are pushing horizontally on a crate of mass 50 kg. One person is pushing from the right w...
A: The kinetic friction force on the object is given by Where = Coefficient of kinetic friction, FN =...
Q: Please answer parts A,B andC using the data given in the question.
A: a) We know, F=kx Where, k is spring constant x is a stretch. So, The maximum stretch xf has the grea...
Q: A maser is a laser-type device thatproduces electromagnetic waves with frequencies in the microwavea...
A: Given: The frequency of the wave is f = 1420405751.786 cycle/s. The clock is off by 1 s in 100000 y...
Q: Rudolf Mössbauer discovered in 1957 that transitions from an excited nuclear state occur with neglig...
A: Given: A transition like that in 191Ir from the 129- keV excited state to the ground state has a lif...
Q: When an electron beam goes through a very small hole, it produces a diffraction pattern on a screen,...
A: Due to the uncertainty principle, since the position of the election is determined parallel to the d...
Q: The Fermilab Alvarez Linac accelerates protons with mass at rest m= 938 MeV to a kinetic energy K= 4...
A: The total energy of a relativistic particle is given by Where p = momentum of the particle, m = res...
Q: Suppose a 1D quantum system is represented by the wavefunction in position space: (x|2b(t)) = p(x, t...
A: Here, Wave function =A e-3x+5it <x> = __________
Q: A helium balloon hovers in midair, neither ascending nor descending. Is it in equilibrium? What forc...
A: There are the number of forces (magnetic, electrostatic, radiation pressure from the light that fall...
Q: A 1.50 kg book is sliding along a rough horizontal surface.At point A it is moving at 3.21 m/s, and ...
A: (A) According to work energy theorem, the change in kinetic energy of the particle is equal to the w...
Q: The angle between two vectors is θ. (a) If θ = 30.0o, which hasthe greater magnitude: the scalar pro...
A: Given: The angle between the vectors θ = 30o.
Q: (8T and Centrifugal force. ine raw a dlagram anu Thuicate rnipetal furce
A: Uniform Circular motion Uniform circular motion means a particle is moving in a circular path with...
Q: Answer with work
A: The Eigenvalues of the inertia matrix are the principal mass moments of inertia. Therefore, calculat...
Q: Under what conditions is average velocity equal to instantaneous velocity?
A: Given: The condition for the equivalence of instantaneous velocity with average velocity.
Q: In a two-slit interference pattern, the intensity at the peak of the central maximum is I0. (a) At a...
A: The intensity of the light waves is I=I0cos2ϕ2 Here,I0 is the intensity at the peak of the central ...
Q: 36. (a) What is the average useful power output of a person who does 6.00x10^6 J of useful work in 8...
A: Power is defined as rate of doing work. P= W/t work done is stored as energy in the body therefor...
Q: A close examination of the spectral lines coming from starlight can be used to determine the star’s ...
A: The phenomenon which helps in determining a star's magnetic field from its spectral lines is the Zee...
Q: Derive seckure tetrode equation
A:
Q: 8. A 3.0-cm-tallobject is placed 22.0 cm in front of a concave mirror having a focal length of 12.0 ...
A: Given, focal length of concave mirror = -12.0 cm object distance =-22.0 cm heigth of object = 3.0 cm
Q: When you do a chinup, you raise your chin just over a bar (the chinning bar), supporting yourself wi...
A: Given: The gravitational force applied by the body W = 680 N. The distance covered by body s = 30 c...
Q: A 50.0 kg marathon runner runs up the stairs to the top of Chicago’s 443-m-tall Willis Tower, the se...
A: P=mght=50.0 kg9.8 m/s2443 m15.0 min60 s1 min=241.2 W
Q: A researcher measures the thickness of a layer of benzene (n = 1.50) floating on water by shining mo...
A: 2nbenzenet=m+12λ For minimum thickness, the order must be zero.that is , m=0
Q: Question in the attachment
A:
Q: The periodic current shown is applied to a 1 kΩ resistor. Calculate the exact value of the average p...
A: Given: To Calculate the exact value of the average power dissipated in the 1 kΩ resistor.
Q: (b) From what height (in m) would the sphere have to be dropped to reach this speed if it fell with...
A: Without air resistance, the object falls with a constant acceleration equal to the acceleration due ...
Q: A student decides to move a box of books into her dormitory room by pulling on a rope attached to th...
A: (a) Free-body diagram
Q: At a recording station, a difference in time of arrival between p waves and s waves was observed to ...
A: The speed of the particle is given by Where S = distance covered, t = time taken
Q: Suppose that you have the Lagrangian L = 1 (;² + ở´n² ) + 420 for a 2D 20 system in plane polar coor...
A: Hamiltonian of the system is given by Where L = Lagrangian of the system, pq = Conjugate momenta co...
Q: A 3.00 kg fish is attached to the lower end of a vertical spring that has negligible mass and force ...
A: Given data: The mass of the fish is m=3.00 kg. The force constant is k=900 Nm. Part (a) Apply the ...
Q: A positive unit charge is at a distance of 200 pm from a molecule of hydrochloric acid. Calculate th...
A: Let p denote the dipole moment of the hydrochloric acid molecule, r denote the distance of the charg...
Q: A 7.8g dart is fired into a block of wood with a mass of 42.1g. The wood block is initially at rest...
A:
Q: *PLEASE ANSWER QUESTIONS #4, #5, and #6* Make a sketch of the trajectory of a ball after it has bee...
A: Given, Projectile motion of a ball ,air resistance is neglible
Q: A parallel-plate capacitor is made of two plane circular plates separated by d cm of air. When a par...
A: Given: The thickness between the plates of the capacitor d = d cm. The thickness of the glass diele...
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 1 images