The table from the problem #4 is illuminated by a lamp placed on the ceiling. The lamp irradiate light ia all directions. The distance from the ceiling to the table is 5 meters. 1) What is the luminous flux [lumens] the lamp need to release? 2) What will be the power needed to produce the needed luminous flux if the lamp is a CFL lamp with an efficacy of 60 lumen/watt
Q: A plane mirror is 10 m away from and parallel to a second plane mirror, as shown in the figure. An o...
A:
Q: A wire of length 5 m and 1 mm is stretched by 1load of 10 N. If Y = 2 x 10" N/m2, find the work done...
A: To find-Work done per unit volume (W)=?Given-Length of wire (L)=5 mRadius of wire (r)=1 mm=1×10-3 mF...
Q: An instrumeht used to measure force in "N" has the following errors: Linearity error + 0.1 N Hystere...
A:
Q: The e.m.f. of a cell is 6 volts. When the cell is used to send a current through an eternal resistan...
A: To Find: Internal resistance (r) Given Data: E = 6 V R = 10 ohm V = 5.5 V
Q: For a short period of time, the motor turns gear A with a constant angular acceleration of aA = 4.5 ...
A:
Q: A bar magnet of moment 2.9 Am suspended in a uniform magnetic field of induction 3.6 x 10- 5 wb/m2 p...
A: To find-Frequency of oscillations of bar magnet=?Given-Magnetic moment (M)=7.9 Am2Magnetic induction...
Q: Calculate the supply voltage necessary for charging a battery of 110 cells or 30A (i)at the beginnin...
A: Concept used: Ohm's law is used.
Q: 6) Define the Hall coefficient. Estimate magnitude of the Hall voltage for a specimen of sodium (Na)...
A:
Q: PROBLEM SP306 Smooth surface A 200KN box resting on an inclined smooth surface is held I Position by...
A:
Q: 3) Tb Ta Figure 3: Spherical shell of charge A hallow spherical shell carries a charge density of p ...
A: Given, the radius of the inner surface of a spherical shell, ra the radius of the outer surface of a...
Q: A fully charged capacitor with capacitance of C= 80µF is being discharged. If the total electric res...
A: Given: C=80×10-6F, R=24×103Ω, V=30100V0 (a) The voltage discharge equation of the capacitor is defin...
Q: Find the unknown currents 'I2" and 'Is if l1 =9 A, l = 3 A and l = 3 A. Is I2 = Is !!
A: The currents, I2 and I5. Given, I1=9 AI3=3 AI4=3 A
Q: A 59.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is ...
A:
Q: 2. Determine and draw the resultant vector for the following. You must include an overall vector dia...
A:
Q: An electron in a picture tube of TV set is accelerated from rest through a potential difference of 5...
A: Basic physics concept.
Q: what is the relationship between interference fringes and number of slits in a diffraction
A: Solution: In a single slit experiment, the fringes are not equally spaced and aren't of equal widths...
Q: A 4-kg mass is attached to a spring hanging from the ceiling, thereby causing the spring to stretch ...
A:
Q: The star Firefly is located 3.0 pc away. If it had an absolute magnitude of 13.0, which value below ...
A: Formula for absolute magnitude is, Mv=m-2.5log(d10)2 Where, Mv = absolute magnitude m = apparent mag...
Q: A1 130.0 kg car traveling initially with a speed of 25.000 m/s in an easterly direction crashes into...
A:
Q: 5 of 8 A certain capacitor, in series with a 720- resistor, is being charged. At the end of 0.01 sec...
A: Given: The resistance of the resistor in series with the capacitor is R = 720 Ω At t = 0.01 seconds,...
Q: Figure 305 H Cylinder #3, diameter = 8m 10m cable 6m PROBLEM SP305 In figure 305, a load is supporte...
A: Solution: The angle made by the cable with the boom is, tanθ=68θ=37° Let T be the tension in the cab...
Q: A negatively charged ion at point A has a speed vo of 1.4x10ª m/s. Find the magnitude and direction ...
A:
Q: shortening the radius of the circle in which the block revolves to 0.175 m. You may treat the block ...
A: Simple problem based upon Conservation of angular momentum. Please have a good look
Q: 2. The following initial value problem describes oscillatory motion in a viscous medium: dy dy + 26-...
A: Given: The differential equation of the oscillatory motion in a viscous medium is The initial condi...
Q: We use a Geiger counter to measure the YT, the total yield (in counts) due to a radioactive source w...
A: Concept: To Verify whether the Statement is True or False. The uncertainty σ in the inferred net yie...
Q: A motorboat is traveling at a constant velocity of 6.0 m/s when it starts to decelerate to arrive at...
A:
Q: #6. A 1.0 kg steel ball and a 2.0 m cord of negligible mass make u simple pendulum that can pivot wi...
A:
Q: An infinite chord, released from rest, deformed as shown in the figure, with a= 3m and b= 20cm. The ...
A: Given: The amplitude of the wave is b=20 cm. The wavelength of the wave is 2a=2×3 m=6 m. The speed ...
Q: Q1.3 Two beams of electrons are close to one another and travelling in the same direction. In this s...
A: " Since you have asked multiple question, we will solve the first question for you as per Bartleby G...
Q: 10. AB and CD are long straight conductors, distance d apart, carrving a current i. The magnetRC tio...
A: Given: Two long straight conductor, AB and CD Distance between conductors, d Current, i To find: Mag...
Q: How much energy does Hannah the Standard Poodle absorb from the sun during a 37-minute walk? Hannah’...
A: Given that: I=1200 W/m2L=92 cm=0.92 mb=32 cm=0.32 mt=37 min=2220 seca=1 (perfect absorber)
Q: Find the direction of the magnetic field at each of the indicated points. For the following two ques...
A:
Q: 59 : A potentiometer wire has a length of 4 m and a resistance of 10 Q. The wire is connected to a b...
A: To Find: 1) Potential drop per unit length 2) Balancing length Given Data: L=4 m,R=10 ΩE=4 Vr=2 ΩE1=...
Q: Compute for the resultant vector R of the following given vectors А. A = 230 Newtons, 35° N of E В. ...
A: The given vectors are A→=230 N, 35°N of EB→=400 N, 15°W of NC→=550 N, 20°S of WD→=230 N, 45°E of STh...
Q: Table 1: Angular Momentum Collision Data (Length of rod, L=1m) Mass of rod, M (kg) Mass of ball, m (...
A: Percent error is calculated between an experimental value and a theoretical value as % error=Ex-ThTh...
Q: To strengthen his arm and chest muscles, an 85-kg athlete 2.0 m tall is doing a series of push-ups a...
A:
Q: Voltage division rule is used for both series and parallel circuit for the measurement of voltage dr...
A: Voltage division rule is used only for series circuit for the measurement of voltage drop across res...
Q: Medical testing has established that the maximum acceleration a pilot can be subjected to without lo...
A: A pilot, when flying around in loops, experiences a certain amount of centripetal force, which depen...
Q: Kinetic energy of electron gas. Show that the kinetic energy of a three-dimensional gas of N free el...
A: Problem from Condensed matter physics (Free electron theory) Please have a good look
Q: To strengthen his arm and chest muscles, an 85-kg athlete 2.0 m tall is doing a series of push-ups a...
A:
Q: 2. A horizontal pipe of cross section 1.5 in? has a constriction of cross section of 2 cm2. Gasoline...
A:
Q: Part A You are given two infinite, parallel wires each carrying current I. The wires are separated b...
A: To solve this problem we have to calculate the force on a current carrying conductor. Then we have f...
Q: The emf of an ac source is given by v(t) = VO sin wt, where VO = 100 V and W = 200m rad/s. Find an e...
A: Given that,The voltage source : v(t) = v0 sinωtWhere, V0 = 100 (V)Also, ω= 200π(ra...
Q: 3-Calculate the area and volume of a wire cross-section, where the r=2cm?
A: Radius of wire = 2 cm
Q: R4 10 KN n thR1 R2 10 KN 10 KN 4.7 KNŽ R3 ISA Figure 5
A: Solution. (A). Using nodal analysis, the voltage can be related as the following: For the node at V...
Q: White light falls at an angle of 45° on a parallel soap film of refractive index 1.33. At what minim...
A: To Find: Minumum thickness of the film (t) Given Data: i=45°μ=1.33λ=5896 Ao =5896×10-10 Ao
Q: The In the experiment, when the object is kept at a distance F, the image will be formed nature of t...
A: Ray Optics.
Q: A car created 68.5 m long skid marks at a traffic wreck scene. A State Patrol investigator uses a dr...
A:
Q: 2. For gases it is easiest to use the temperature as the quantity to analyse stability. An air parce...
A: Given: A U.S standard temperature at 100 m height is T = 288.15 K The rise in temperature of the air...
Q: find an independent (differential form) waveform equation for the magnetic field B (Use Maxwell's eq...
A: The ampere's law in differential form in the vacuum can be written as : ∇×B=μ0J+μ0ε0∂E∂t (J=0...
Trending now
This is a popular solution!
Step by step
Solved in 3 steps