5. The weight of an unknown metal ore measures 21.7 N on a scale. When it is attached a light cord and completely immersed in the water, the scale reads 18.7 N. Determine the volume and density of the metal sample.
Q: F(x,y, z) = (x + 1)i – (2y + 1)j+zk vector field is given. C(1,0,0),(0,1,0),(0,0,1) being the clock ...
A: Concept used: Curl of vector can be found using Stoke's theorem.
Q: Interatomic spacing of silicon (dimond lattice) is 2.35Å. Calculate the density (at. wt. = 28). %3D
A: Silicon has diamond cubic crytal structure. The diamond cubic crystal structure has an fcc lattice w...
Q: A 45.0 kg student climbs a 5.45 m long rope and stops at the top. What must her average speed be to ...
A: Given that,Mass of student : m = 45 (kg)The distance climbed by the student on the rope : d = 5.45 (...
Q: 5. The amplitude of a harmonic oscillator is 5.0cm with a period of 3.0 s. The phase angle is . (a) ...
A:
Q: 30 Calculate the number of atoms per unit area in (100), (110) and (111) plane of a bcc crystal with...
A: Solution:-Given thatPlanes-(100), (110) & (111)BCC CrystalLattice Parameter (a)=2.5 A=2.5×10-10 ...
Q: 8-The 82Sr (T2 = 600hr) and 82 Rb (T2= 0.021hr) generator. If 100 MBq of 82Sr is %3D %3D 1/2 nresent...
A: Since you have posted two different questions, we will solve the first one only. Please resubmit the...
Q: A rigid tank is divided into two compartments by a membrane. One compartment contains 22 kg of CO2 a...
A: Molecular weight of C02=44 KgAmount of CO2 present=22 kgNumber of moles of CO2 , nCO2=2244=0.5 Tempe...
Q: Let 5 = (-1m)î + (2m)ĵ – (3m)k and T = (4m)î – (6m)k. The angle between these two vectors is given b...
A:
Q: What is the temperature of a star emitting light with a peak wavelength of 7,080 angstroms?
A: Given that:Peak wavelength of light emitting from star is λm=7080 A˙
Q: En: The latent heat of vaporization of water at 100 °C is 40.6 kJ mol-and when 1 mol of water is vap...
A: Given, Latent heat of vaporization, ∆Q=40.6kJ/mol Volume increased, ∆V=30.19×10-3m3 Pressure, P=1atm...
Q: 1
A: Given: V(r⇀)=14π ε0[1r∫ρ(r⇀,)d τ'+1r2∫ r'cosα ρ(r⇀')d τ'+1r3∫ (r')2(32 cos2α-12)ρ(r⇀')d τ'+.....] Ca...
Q: Calculate the capacity of a condenser charged to a potential of 300 V, if the energy stored in the c...
A: To Find: Capacitance of a condenser (C) Given: Potential of a condenser (V) = 300 V Energy stored (W...
Q: 7. Roller coasters are in the shape of a clothoid loop. This means the loop's radius is small at the...
A: Concept: The Roller coaster has a shape clothoid loop. The Radius at the top is given to be r=3.2 m...
Q: A condenser of capacity 40 µF is charged to a potential of 1 kV. Calculate the energy stored in the ...
A: To Find: (1) Energy stored (W) (2) Charge on plate (Q) Given Data: C=40 μFC=40×10-6 FV=1 kVV=1000 vo...
Q: A dog runs at 21 km/h [N] for 5.0 min, slows to a stop over a period of 8.0 s, sniffs at a tree for ...
A: The path covered by the dog is given below. Average velocity is given by v=total displacementtotal ...
Q: A 7.0 kg bowling ball moves at 2.25 m/s. How fast must a 2.60 g Ping-Pong ball move so that the two ...
A: We are given with M1=7 kg V1=2.25 m/s M2=2.60 x 10-3 Kg we have to find V2
Q: Problem 3: Suppose we want to calculate the moment of inertia of a 65.5 kg skater, relative to a ver...
A:
Q: A 40 cm tall trolley is placed at u cm from a mirror. The image formed by the mirror is an upright i...
A: Given: h0=40cm, hi=80cm The magnification of the mirror is given by : m=hiho=2 The magnification of...
Q: Name a process in which an image is transferred from the carrier film to the product by stamping wit...
A:
Q: Four particles A, B, and CD are distributed over four energy levels 38 = E3 2E = Ɛ2 Ɛ = E1, 0 = Ɛ0 i...
A: Given: The total number of particles is n = 4 The number of energy levels is g = 4
Q: A double-slit experiment is performed with light of wavelength 630 nm. The bright interference fring...
A: When light passes through the two slits, it gets diffracted along the edges of the slits. These diff...
Q: 4. The power provided by a force can also be written as P = dW/dt = F · dĩ/dt = F · v. A force F = (...
A: The force being applied on the object in vector form is written as F=3i-2j+6k N This force is applie...
Q: Review Constans (Figure 1)A bob of mass m is suspended from a fixed point with a massless string of ...
A: given, mass of bob is m length of the string is L Cone half-angle is θ let v be the tangential speed...
Q: There are many different types of matter, and each type of matter has unique physical and chemical p...
A: Given, to explain the reason why different materials have different physical and chemical properties...
Q: A capacitor carries a charge of 9 µc at a potential 400 V. How much electrostatic energy is stored i...
A: To find-Energy stored in capacitor (E)=?Given-Charge on capacitor (Q)=8μC ...
Q: Why are PAR (Photosynthetic active radiation) and Human vision different?
A: In Photosynthetic activeradiation plants are more sensitive to red and blue lights but human vision ...
Q: The type of light that can be emitted when one electron orbiting a hydrogen atom drops down in its e...
A: Concept used: Photon is emitted from excited electron falls back to its state.
Q: Determine the force Prequired to force the 11° wedge under the 76-kg uniform crate which rests again...
A:
Q: shaft at 3.00 m/s. The nut strikes the bottom of the shaft in 2.00 s. How far from the bottom of the...
A: Given that,Initial velocity : u = 3 (m/sec)Acceleration : a = -g = -9.8 (m/sec2)Time : t = 2 (sec)He...
Q: 3. What are Bravais lattices and crystal systcm? Explain why the base centred tetragonal, the face c...
A: Solid-state physics is a branch of physics that deals with the properties of solids. These propertie...
Q: figure. (Because the string sweeps out the surface of a cone, the system is known as a or v in terms...
A:
Q: Ram throws his ball ring from the roof of a 30.0-m-tall building at an angle of 30 degrees above the...
A:
Q: Question: Assume you throw a ball with-a force F blowing with a force F, = (-3,4,0) Newtons. %3D (5,...
A: The resultant will be the sum of individual components of the force. Given, F1=5i+12kF2=-3i+4j
Q: If the wire is heated to 34.0°C while the 7.00-V potential difference is maintained, what is the res...
A:
Q: A 2.00-nF capacitor with an initial charge of 4.40 µC is discharged through a 1.59-kn resistor. Calc...
A: Concept used: There is exponential decrease in current in capacitor.
Q: 3. What are Bravais lattices and crystal system? Explain why the basc centred tetragonal, the face c...
A: A three dimensional configuration of points used to describe the systematic arrangement of atoms. An...
Q: A sledge loaded with bricks has a total mass of 18.7 kg and is pulled at constant speed by a rope in...
A: This is a simple question. Now the most difficult part is ti visualize what is sldege with brick. If...
Q: t pantidle is execuling a SHM accelerelion is æ and maximum vulocity isp. Then ili ite marimum ampli...
A: To find -Amplitude (A)=?Given-Maximum acceleration=αMaximum velocity=β
Q: In the diagram the red block has a mass of 9 kg, the blue block has a mass of 10 kg, & the pulley ha...
A: Concept: The Surface is frictionless since no thermal energy is generated according to the question....
Q: Perform the indicated operation 1. 3.24 x 10' 2.40 x 103' = 2. 7.68 X 10*-9.7 x 10° = 3. 7.10 X 10 X...
A: Here the 1st question is little confusing. Now the underscore _ is actually negative which is perfac...
Q: O Show that dY - Vth)-2W(X) + W<-h) find the errer m this appwximeti on @ find the exprention for dy...
A: Using the expression of derivative using limit, we can write the following two relations : ψ'(x)=li...
Q: Find the potential drop across R1,R2 and R3
A: The given circuit
Q: A 15 µF capacitor and a 60 uF capacitor are connected in parallel to a 15 V battery. a. What is the ...
A: Given that:C1=15 μFC2=60 μFV=15 VCapacitors are connected in parallel.
Q: 2. If the capacitance per unit length of a cylindrical capacitor is 20 pF/m, what is the ratio of th...
A: Given that,Capacitance per unit kengthCL=20PF/m=20×10-12 F/mWe know that,Capacitance of cylindrical ...
Q: O tołal mass of string is 2 Kg wheet is Teasion? O et's plausibly estimate The max Frans Veo Vebaly ...
A: string length, L=100 m velocity of the string, v=40 m/s mass of the string, m=2 kg mass per unit len...
Q: 1) Consider the region between the functions y= f (x) = Vx and y=g (x) = x* on the interval [0,1]. T...
A: Given The region between the function y = fx = x3 = x13 ...
Q: If an X-ray binary consists of a 10-solar-mass star and a neutron star orbiting each other every 20....
A: from the equation relating the period of orbit P and the semi-major axis of orbit a, we have Ma+Mb=a...
Q: 17. What is the Miller index of the line of intersection of (110) and (111) planes in a cubic system...
A: It is a moderate level question. Hardest part here is to draw the figure. Note that We can draw the ...
Q: If a circular accretion disk around a 1.4 M. neutron star has a radius of 1.00 x 105 km as measured ...
A: The radius of the ring (r) = 1.00 x 105 km = 1.00 x 108 m (since 1 km = 1 x 103 m) Here M0 must be ...
Q: If the probability values for two variables are as follows: P(Y)=o.77, P(X)=0.38, then the value of ...
A: If X and Y are two independent events, then P(X∩Y)=P(X...
Step by step
Solved in 3 steps