An athermanous metal plate has the coefficient of absorption 0.65. A quantity of heat 500 kcal is incident on the plate. Find the quantities of heat absorbed and reflected.
Q: When a 360-nF air capacitor is connected to a power supply, the energy stored in the capacitor is…
A:
Q: A wire of length 60 cm vibrates with fundamental fréquency of 120 Hz when subjected to a tension of…
A: We need to compute linear density of the wire (m)=? Given that- Length of the wire (L)=60 cm=0.6 m…
Q: Task 3: calculatepfif tires expand by 10% UseT; = 20°C Tf-50°C Pi = 200kPa
A:
Q: Bucket containing water is whirled A vertical circle at arms length. Find the minimum speed at top…
A: We have to find here-Minimum velocity at top (Vh)=?Angular speed (ω)=?Given that-Radius (r)=0.75…
Q: 12) Estimate the wavelength of the radiation emitted by an interstellar cloud of 4000 K. nts)
A: Interstellar clouds are made of gas and dust particles that are left over after a star dies. When an…
Q: The proper lifetime of a certain particle is 100.0 ns. How long does it live in the laboratory if it…
A: Time is not absolute and measured time can be different for different observers. If an observer is…
Q: QUESTION 4 Find the acceleration in Pm/s2 (1P = 1015) for the electron in problem 22.48.a. using a…
A: The surface charge density of the uniform charge disk is given as, σ=6.94 μC/m2=6.94×10-6 C/m2. The…
Q: The potential difference across a resting neuron in the human body is about 75.0 mV and carries a…
A: Given that-Voltage, V= 75 mV=75×10-3 VoltCurrent, I= 0.2 mA=0.2×10-3 AWhere,Power, P= IV Equation…
Q: A pendulum has a period of 5 seconds. What is its frequency? 0.2 Hz 5 Hz 25 Hz 1 MHz
A: We know that-Frequency, f=1T Equation 01where,frequency 'f'Time period 'T'Given that-Time, T= 5…
Q: An iron wire has a diameter 1.6 mm and resistivity 9.71x 10-8 m. What will be the length of this…
A: Given that-diameter, d= 1.6 mmradius, r= 0.8 mmCross-sectional area, A=πr2=π×0.82 mm2= 2.0096×10-6…
Q: 3. (a) Determine the horizontal and vertical components of the 940 lb force. (b) The components of…
A: Solution:-Given that
Q: The farad measures capacitance. This unit of measurement is also equal to
A:
Q: The weight of one dozen apples is 3.3 lb. Determine the average mass of one apple in both SI and US…
A: We know, 1 lb = 0.45 kg 1 lb = 0.03 slugs 1 dozen = 12 piece
Q: A uniform and stationary magnetic field Bis perpendicular to the plane containing a circular…
A: magnitude of the magnetic field passing perpendicularly through the plane of the coil=B→ Area of the…
Q: A wave field is observed by satellite. The wave lengths are determined to be 312 m in deep water and…
A:
Q: E = 40 72 This problem checks your understanding of the term in the equation for the electric field…
A: Electric field vector produced by a point charge some distance r away from it is given as E=kqr2r^k…
Q: Is there anyway to know the kinematic equations. I’m having trouble understanding which formula to…
A: Kinematic equations are equations used to solve problems involving motions in two dimensions. The…
Q: Question 3: A ball is dropped from a certain height. It took the ball 15 seconds to reach the…
A: Given data, Ball is dropped so initial velocity u = 0 m/s Time t = 15 sec Acceleration due to…
Q: 3. The graph below represents a plot of the location versus time for an object. Use this graph to…
A: Displacement is defined as the shortest distance between the start point and the end point of a…
Q: How does the free charge that gave us the electric displacement relate to the bound charge in a…
A:
Q: A 270° single-turn 1.5 kỵ carbon track rotary potentiometer is required to provide a 6 V output when…
A:
Q: 8) A neutron star is found with a radius of 10 km and has a surface temperature of 1,000,000 K.…
A: The luminosity of a star is defined as the total amount of electromagnetic energy released by a star…
Q: 900 lb/ft 30° 6 ft The reaction(s) at B is. O a. One O b. None OC. Two Od. Three с 60 -b 3 ft B
A: Solution:-Given that
Q: Your toaster has a power cord with a resistance of 0.020 connected in series with a 9.6@ nichrome…
A: We have following given values,Resistance of power cord, r= 0.020 ΩResistance of heating element, R=…
Q: Neglect friction, derive then solve the differential equations governing the free vibration of the…
A: Hint : To solve this problem convert the problem into simple 2 mass , 3 spring system then find the…
Q: The constant potential difference across a 2 ohm resistor is 20 volts. How many watts of power are…
A: The power dissipated by a resistor is given by the formula P=V2R where, V=potential…
Q: Consider a 20μC spherical positive charge distribution of radius 10 cm (0.1 m). Using Microsoft…
A: Hint : use the equation of electric field and potential and treat spherical charge as point charge…
Q: In a source-free region, show that dE a*E V²E – po at af
A:
Q: If the rms voltage drop across a 15 kn resistor is 16 V, the peak current through the resistor is A.…
A: Given data, Resistance, R=15 kΩ Voltage V = 16 V
Q: Four positive charges are placed at the vertices of a square with side 2a The electrostatic force…
A: Four positive charges are placed at the corner of the square. The side of the square is 2a. The…
Q: D4
A: Given that-Number of turns, N= 520Area, A= 0.80 m2Uniform Magnetic field, B= 0.40 TResistance of…
Q: The equation of progressive wave is represented by "Y: 0.2 sin 21 (18-2) where 0.08 all the…
A: We need to find-Wavelength (λ)=?Frequency (n)=?The data provided is the equation of wave as-Y=0.2…
Q: Exercise 5.35 Consider a particle of spin 32. Find the matrix for the component of the spin along a…
A: The spin of the particle is 32. The unit vector is n→=sinθ cosϕi→+sinθ sinϕj→+cosθk→ The spin…
Q: What is the power of a 115 MV lightning bolt having a current of 29,850 A?
A: We have given Voltage V= 115 MV And We know that 1 MV= 106 V So given voltage becomes V= 115 *…
Q: What is the correct expression for the potential of a system of three charges placed at the vertices…
A:
Q: Read the Vernier Caliper. Show work. It is in inches.
A: Given:
Q: A car is moving at 25 m/s along a straight highway. How long it will take the car to stop if it…
A: Given that-vo= 25 m/sv=0 (as car stopped finally)acceleration, a=-10 m/s2 Negative means car is…
Q: Question 5: A Car with an initial speed of 1 m/sec was in motion for 10 minutes, and then it came to…
A: Given data, Initial speed of the car u=1 m/s Time t=10 minute=10×60=600 sec Final velocity v=5 m/s
Q: The figure below shows the spectra of two galaxies A and B. Please can i get help with this…
A: Dear student as per the QnA guidelines I will be answering the first 3 subparts of this problem…
Q: An emf of 8V is induced in a given coil when the current in it changes at the rate of 32 A/ sec.…
A: Given that-Induced emf, ε= 8VCurrent, didt= 32 A/secInductance of the coil-⇒ε=L×dIdtput all known…
Q: How much mass (in grams) of aluminum initially at 150 °C must be added to 300 g of water initially…
A: We know that-Heat, Q= mCp∆t Equation 01where, m is massCp is specific heat∆t is change in…
Q: An emf of 8V is induced in a given coil when the current in it changes at the rate of 32 A/ sec.…
A: Given that-Induced emf, ε= 8VCurrent, didt= 32 A/secInductance of the coil-⇒ε=L×dIdt
Q: A coil with a self-inductance of 3.0 H and a resistance of 100 2 carries a steady current of 2.0 A.…
A:
Q: Show that V · B = μ₁ μα if 0=C.A
A:
Q: There are two different groups, A and B, of bulbs for the Christmas tree. Only incandescent bulbs…
A: Given, There are 2 different groups of bulbs in a Christmas tree. ie, Group A and Group B. For…
Q: 2) Interstellar dust radiate most of its energy at 100 µm. Assuming the dust to be a blackbody…
A: Interstellar dust is formed during the supernova of stars. When a star dies, it ejects its outer…
Q: A uniform wire under tension, is fixed at its ends. If the ratio of tension in the wire to the…
A: Given that the ratio of tension in the wire to the square of its length is T/L2= 360 dyne/cm2=…
Q: 3. An earthquake waves speed is recorded at 5 km/s. (Convert from km to m.) If it has a frequency of…
A: Given that-Earthquake waves speed, v=5 km/s= 5000 m/sWe know that-Frequency, f=1Twhere,…
Q: " If the equation of the transverse wave is, t X [0.04- 4 where distance is in cm I 0.04 40 y = 5…
A: We have to compute here-Wavelength of a wave (λ)=?Given that-Eqaution of wave is given as-Y=5 sin…
Q: 2 particles, of equal velocity (0.6c) are about to collide at a right angle in inertial frame 1.…
A: Given:In reference frame 1u1x = −0.6cu1y = u1z = 0 m/su2x = u2z = 0 m/su2y = −0.6cIn frame 1, the…
Step by step
Solved in 3 steps