How can you compare alternating current (AC) and direct current (DC)?

Q: Snell's Law Total internal reflection is possible when the "D" is oriented such that the light…

A: when light passes from flat surface and then falls on curved face, then total internal reflection…

Q: A string oscillates according to the equation y' = (0.5 cm) sin[(cm-¹)x]cos[(40π s¯¹)t] 3 (a). What…

A: y = (0.50cm)sin(π/3 cm-1x)sin(35πrads(9/8t)) a) the amplitude of each of the travelling waves is…

Q: Wave Addition & Phasors Two waves travel in the same direction. They have equal wavelength but…

A: Given Wavelength of two waves are same Amplitude of wave 2 is greater than the amplitude of wave 1…

Q: A firefighter slides down a pole with constant speed. What can you say about the energy? a. U to…

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Q: Gimen danta Force = 0.80 Time = 2 Sec Find the impus

A: Given value--- Force = 0.8 N. time period = 2 sec. We have to find---- impulse?

Q: A wooden block of mass M, attached to a massless spring with spring constant k, rests on its…

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Q: If a bus travelling at 34 m/s is subjected to a steady deceleration of 8 m/s², how long will it take…

A: Given data:  Initial velocity (Vi) = 34 m/s Acceleration (a) = -8 m/s2  Final velocity (Vf) = 0 m/s…

Q: If 100 J of heat is added to a system so that the final temperature of the system is 400 K, what is…

A: Given: 100J of heat added to the system             Q = 100J             change in temperature is…

Q: If the momentum of a flying brick is 50 kg x m/s and it's mass is 12 kg Find its velocity?

A: Given data :                          Mass    =    m                   Momentum   =   P        To…

Q: The current in one coil decreases from 4.2 A to zero in 0.80-s. A 0.035-V emf is induced in a…

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Q: An object whose mass is 2.00 kg is lifted upward a distance of 3.55 m against the pull of gravity on…

A: Given: The mass of the object is 2 kg. The height of the object is 3.55 m. The acceleration due to…

Q: Initial velocity of the ball, vo: 29.50 m/s, upward from the ground Determine the distance, d, if…

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Q: What kind of circuit is having a closed loop with inductor and a capacitor? Why is AC dangerous than…

A: Answer:-  (1) An LC circuit is a closed loop with just two elements: a capacitor and an inductor. An…

Q: Find the value of force applied if work done is 230 J and displacement is 8.5 m.

A: Given data :               Displacement     =    d                Work done     =     W          To…

Q: Concrete slabs of length 25 m are laid end to end to form a road surface. What is the width of the…

A: We know from the formula, dL = a * L0 * dT Where, dL is the width of the gap, a is thermal expansion…

Q: Distance=280 m Time=20 s Find speed of car

A: We need to calculate the speed of the car.

Q: If you add 400 J of heat to a system so that the final temperature of the system is 200 K, what is…

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Q: Consider a blue ring centered around the m. The ring has 250 nC of charge, a radius of 0.8 m and…

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Q: capacitive circuit What effect will increasing the frequency have on the phase angle for the…

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Q: Question 30 A certain steel tape is known to be 100,000 ft long at a temperature of 700F. When the…

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Q: If the skater has the same speed of rotation during the following spin positions, what is the…

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Q: A ball is thrown vertically into the air at 120 ft/s. After 3 seconds, another ball is thrown…

A: let the speed of second ball be v.

Q: In the middle of a spin, a figure skater halved his moment of inertia by bring his arms and leg in.…

A: Torque is the measure of the force that can cause an object to rotate about an axis. τ = dL/dt Where…

Q: Work is equal to * O Force + distance O Force - distance O Force / distance O Force* distance O O O…

A: Introduction: The work is the energy transferred to or from an object via the application of force…

Q: 17 Point charges of +6.0 μC and -4.0 μC are placed on an x axis, at x = 8.0 m and x = 16 m,…

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Q: A ball has a mass of 6 kg. Suppose it travels at 0.24 m/s. Find the kinetic energy possessed by it.

A: Given value--- mass = 6 kg. speed = 0.24 m/s . We have to find--- kinetic energy?

Q: What is the magnitude force on a proton moving at 2.5 × 105 m/s in a magnetic field 0.5T. If the…

A: Write the expression for the magnetic force. Here, q is the charge of the proton, v is the speed of…

Q: Calculate Using the coordinate the density the fluid force on one side of the plate below. Assume…

A: The pressure exerted by a fluid at equilibrium at any point of time due to the force of gravity”.…

Q: 1 gal = - * 10^6 10^4 10^3 10^2 Gravity method: Physical property d Suitable for Density contrast -…

A: 1 gal = 10^2 Option d is correct. Gravity method: physical property density contrast, suitable for…

Q: A 2000 kg truck traveling at a velocity of 6.0 m/s [E] makes a 90° turn in a time of 4.0 s and…

A: In the given question, Mass of the truck (m) = 2000kg Initial velocity = 6.0m/s in the east = 6.0 i^…

Q: Calculate the mass of a van that drives at 40 m/s and has 500000 J of energy.

A: Given value--- speed = 40 m/s . energy = 500000 J  We have to find--- mass ?

Q: Calculate the electrical energy consumed in Joules if a toaster of 92 W is used 34 minutes

A: Answer:-  Given  Power (P) = 92 W  Time taken (t) = 34 minutes = 34 × 60 = 2040 seconds  Electrical…

Q: Question 25 The max. Moment of a beam with span 7 m. carrying a uniform load of 12 kn/m with both…

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Q: A typical flash for a point-and-shoot camera uses a capacitor of about 200 µF. 9. If the potential…

A: Given data:  Capacitance (C) = 200 μF = 200×10-6 F Voltage (V) = 100 V Required:  Energy stored (E)…

Q: Faraday's law of magnetic induction states that the voltage induced by a current running through a…

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Q: 5. The vectors a, b, c are shown. Construct your own vector using those 3 vectors. Your resultant…

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Q: An has a multistrand Car is is out, and at Just lifting the first floor electric elavator a motor at…

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Q: Find the value of distance covered by car Speed of car=23.5 m/s Time=3 s

A: Given data : Time=t Speed=S   Required : Distance

Q: If your microwave oven generates electromagnetic waves with a frequency of 2.5 GHz, what distance…

A: The relation between frequency and wavelength of electromagnetic wave is given by, λ = c/f  Where, λ…

Q: Problem 2: When mass M is tied to the bottom of a long, thin wire suspended from the ceiling, the…

A: Given data as per question mass =M frequency  =   200Hz additional mass  =   1kg

Q: Given data: Density Mass = 28 kg Determine the volume = 320 kg / m3

A: Given data :                         Mass    =    m                         Density    =    D…

Q: Given data: Distance 280 m Time=20 s Find speed of car

A: Given data : Time=t Distance=d   Required : Speed of car

Q: Given data: Speed=30 m/s Time=5 s How much distance covered by car

A: Given data:  Speed (v) = 30 m/s Time (t) = 5 s Required: Distance (d)

Q: Write true if the statement is true. If not, write false and change the underlined word to make the…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: The linear speed of an object swinging in a circular path of radius 2 m with a frequency of 5 rev/s…

A: Frequency = 5 rev/s. Angular frequency or angular speed = 2π(5) = 10π rad/s.  Radius = 2m

Q: Question 10 By how much will a spring with 9 turns elongate if it supports a weight of 400 N? The…

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Q: Find the pressure Force=2.6 N Area=1 m2

A: Given data:  Force (F) = 2.6 N Area (A) = 1 m2 Required: Pressure (P)

Q: 1. A particle with a charge of -1.24 x 10-8C is moving with instantaneous velocity v = (4.19 × 104…

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Q: A developer has proposed putting a shopping mall next to a suburban residential area in Serdang. The…

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Q: A coil with 20 turns of wire is wrapped around a tube with a cross-sectional area of 1.0 m2. A…

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