Ex. 74 A tuning fork A of frequency 200 Hz produces 5 beats/sec. with another fork B. When the prongs of fork B are loaded with a little wax, the number of beats per second is 4. Find the frequency of B before loading.
Q: A train and a car have a head-on collision. Which vehicle experiences the greater force of impact?…
A: According to Newton's third law Every action has equal and opposite reaction.
Q: A proton moving at 2.15 x 10° m/s through a magnetic field of magnitude 4.47 T experiences a…
A: Given that,Velocityof proton : v = 2.15×106 (m/sec)The magnetic field : B = 4.47 (T)Charge on proton…
Q: A 10-H inductor carries a current of 20 A. Describe how a 50-V emf can be induced across it.
A: Given that, M=10 HI=20 Aε=50 V When the flux linked with an inductor changes then according to the…
Q: What is expected when 20 ka, 1 W resistor in parallel are used instead of 1-10KO, 1W? O a. Provides…
A: Simple electrical question.
Q: The movement of an oscillating flywheel is defined by the following relationship: 0 = 8o e7nt/6 sen…
A: Given: Moment of oscillating fly wheel is given by θ=θ0e7πt/6sin(4πt) where, θ is expressed in…
Q: 2.0 cm 2.0 nC C 1.0 cm B Part D What is the potential energy of an electron at point C in the…
A:
Q: 1. A steel wire of mass 0.400 kg and length 0.640 m supports a 102-kg block. The wire is struck…
A: The mass of steel wire is given as, m=0.4 kg, The length of the steel wire is given as, L=0.64 m,…
Q: A proton moving at 4.00 x 106 m/s through a magnetic field of magnitude 1.70 T experiences a…
A: As per the given data,Speed of proton : 4×106 (m/sec)Magnitude of magnetic field : B = 1.7…
Q: How much energy is lost to a dissipative drag force if a 60-kg person falls at a constant speed for…
A: Given: Mass of person, m=60 kg Distance, h=15 m To find: Energy lost
Q: A 0.7-F capacitor is connected in series with a 9-ohm resistor. If the connection is energized from…
A: Given that,The capacitance : C = 0.7 (F)The resistor : R = 9 (Ohm)The initial charge : q = 175…
Q: A potential difference of 12 V is found to produce a current of 0.40 A in a 3.2-m length of wire…
A: Given that,Potential difference : V=12 VoltCurrent : I= 0.40 ALength : l=3.2 mRadius : r=40 cm…
Q: A 1.8 kg mass attached to an ideal spring oscillates horizontally with a period of 0.51 s and…
A: Given that,Mass : m = 1.8 kg Period : t= 0.51 sec Amplitude = 1.29 m Here we need to find the…
Q: Question Four forces, FA, FB, Fc, and FD, each of magnitude 1 N, are applied to a square object at…
A: The force that can cause an object to twist along an axis is measured as torque. In linear…
Q: An optical bench is set up as shown in the figure. The object of height 2.5 cm is placed at x = 3 cm…
A: The lens formula is:1f=1v-1u………(1)where,f is the focal length of the lens.v is the image distance…
Q: Suppose, We have a dipole where 3 charges q1 are placed on the vertices of the square as shown in…
A: q1=3e, q2=2e,q3=-5e, a=3nm=3×10-9m r3→=a2i^-aj^ a)Dipole moment is given by…
Q: What power is dissipated in a circuit through which 0.12 A flows across a potential drop of 3.0 V?…
A: Given that,Voltage : V = 3 V Current : I = 0.12 ANow,The power dissipated in a circuit : P =…
Q: A simple harmonic oscillator having mass 5.00 g makes oscillation with displacement varies as…
A:
Q: a 2.84kg mass attached to a light string rotates on a horizantal frictionless table. the radius of…
A: The type of force required to make the body moves in the circular path is known as centripetal…
Q: A 200 g steel ball hangs on a 1.0-m-long string. The ball is pulled sideways so that the string is…
A: Given that,mass (m1) = 200(g) = 0.2 kgmass (m2) = 500(g) = 0.5 kgAngle : θ = 45°Length : (L) = 1…
Q: [2] A beam of protons (q = 1.6 X 10-19 C) moves at 3.0 x 105 m/s through a uniform magnetic field…
A:
Q: Plz solve
A: Given that,Mass of skater : m = 60 (kg)Initial angular speed : ω =6 (rad/sec)Initial moment of…
Q: A child is trying to stack two uniform bricks, each 24 cm long, so they will protrude as far as…
A: Solution: As per the given data,
Q: A firefly glows by the direct conversion of chemical energy to light. The light emitted by a firefly…
A:
Q: What is the current in the element of an electric clothes dryer with a resistance of 7.4 Q when it…
A: Given that,Resistance : R =7.4 (Ohm)Operating voltage : V = 240 (V)Here we need to find the current…
Q: A 10 kg cart is traveling at a velocity of 4 m/s in the rightward direction. It strikes a 7 kg cart…
A: Given that,Mass of cart : m1 = 10 (kg)Mass : m2 = 7 (kg)Speed : v1 = 4 (m/sec)Speed : v2 = 6…
Q: 3. A permanent magnet of magnetization M and volume V is held near a large sheet of soft iron of…
A: Given, The permeability of soft iron is μ=104μo. We know, The magnetization is given by: M→=mnet→V…
Q: A current of 4.0 A is maintained in a circular loop with radius 24.7 cm that consists of 50 turns of…
A: Given that,Current in the circular loop : i = 4 (A)Radius : R = 24.7 (m)Magnetic field : B = 2…
Q: Two ships A and B are moving with constant speeds va = 28 m/s and vg 17 m/s, respectively, along…
A:
Q: A current of 6.O A flows through an electrical device for 10 seconds. How many electrons flow…
A: Given, Current, i=6A Time, t=10s Electron charge, e=1.6×10-19C Let the number of electrons flow is…
Q: What voltage will produce 0.2 AA of current through a 4800-00 resistor? Express your answer to two…
A: Given that,Current : i = 0.2 (A)Resistance : R = 4800 (Ohm)Here we need to find the voltage :Now,As…
Q: 1. A Projectile with a muzzle velocity of 550 m/sec is fired from a gun on top of a cliff 460 m…
A: The second equation of motion is s = u t +0.5 at2 where, s is the distance, u is the initial…
Q: 17. Two blocks A and B are stacked on top of the other and placed above a table. There is no…
A:
Q: The catapult on an aircraft carrier can take an aircraft weighing 196,359 N from 0 to 92 m/s in 2.1…
A: Given that,Weight : W = 196, 359 (N)Initial velocity : u= 0 (m/sec)Final velocity : v = 92…
Q: Using mesh analysis to the circuit in the figure below, 13 can be obtained as 20V 10Υ Ο . 2.737 10 Ω…
A: There are total three meshes with currents I1, I2 and I3. And all the currents are shown in…
Q: 3. A computer engineer drives 3 mi N 40° E, then turns 3.8mi to West. What is the magnitude and…
A:
Q: A toroidal coil has a mean radius of 16 cm and a cross-sectional area of 0.25 cm2; it is wound…
A: Given: Radius,R=16cm=16×10-2mArea,A=0.25cm2=0.25×10-4m2Number of turns 1,N1=1000Number of turns 2…
Pls solve
Step by step
Solved in 2 steps with 2 images