Direction: Write the word TRUE if the statement is correct. If the statement is false, write the word which makes it wrong and write the correct answer. Question:The most common polarizing filter for visible light is a material known by the trade name Poladroid, widely used for sunglasses and polarizing filters for camera lenses.

Q: The upper end of a 3.80-m-long steel wire is fastened to the ceiling, and a 54.0-kg object is…

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Q: Stretching spring: Eighteen pounds of force is required to stretch a spring 3 ft. from its natural…

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Q: Two positive charges of 0.5 C each are arranged as shown.  Find the magnitude and direction of the…

A: Given Datad1=60cm=0.6md2=40cm=0.4mq1=q2=0.5C

Q: Q2) A (20kg) child sitting in a cart to which a (2m) rope is attached. The rope is tied to a motor…

A: Write the given values with the suitable variables. m=20 kgr=2 mF=100 N Here, m is the mass, r is…

Q: displacement. Two forces, one of 12 N and another of 24 N, act on a body in such a way that they…

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Q: Calculate the amount work is done by the engine of a 9000 kg truck if it accelerates from 5 m/s to…

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Q: It takes a force of 28.22 Newtons to stretch a 49-cm spring to 117-cm and hold it there. How much…

A: Given Required force is F=28.22 N Initial length of the spring is l0=49 cm=0.49 m Final length of…

Q: Find the displacement Work done=0.8 J Force=0.4 N

A: Given data : Work done=W Force=F   To find: Displacement

Q: A ball is thrown straight up at time t=0 with an initial speed of 15 m/s. Take the point of release…

A: Given data: The initial speed is u=15 m/s. The initial displacement is y0=0.

Q: A cylindrical tank contains 0.5 m³ of Gas at temperature 20°C  at pressure 2 atm. The tank has a…

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Q: ater towers store water above the level of consumers for times of heavy use, eliminating the need…

A: The pressure due to the weight of the fluid is, P=hρg h=Pρg…

Q: A force of 11.48 Newtons was exerted by a spring to restore its original length from 124-cm to…

A: Force exerted by the spring is F=11.48 N Change in the length of the spring is x=(124-15) cm=109…

Q: Given the circuit in the picture  1.) What is the total resistance of the circuit?   a. 80 Ω b. 55…

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Q: A 1540-kg car is traveling with a speed of 12.4 m/s. What is the magnitude of the horizontal net…

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Q: A lighting fixture has an intensity of 9000 candelas directly below a fixture. What is the…

A: Illuminance =Intensityheight2

Q: A guitar string of mass 6.48 g and -1 length L= 90 cm is under a tension of 150 N. A standing wave…

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Q: 1. A Poiseuille flow experiment was carried out to measure the viscosity of air at 298 K. The sample…

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Q: The non-attached end of a horizontal rope is oscillated vertically with a frequency of 8Hz. The rope…

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Q: Find distance covered Speed=20 km/hr Time=1 hr

A: From equation of motion,           Speed = Distance /Time Distance covered = Speed * Time

Q: 2. How is enthalpy related to energy?

A: Enthalpy is defined as amount of heat (energy) absorbed or released by the system to cause a change…

Q: Assessment Directions: Read each item carefully. Write the letter of your answer on a separate…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 2. An electric field with a strength of 1.25x104N/C exerted 2.50 N on a certain test charge, q.…

A: Part (2): Given: The strength of the electric field is 1.25x104 N/C. The magnitude of the force is…

Q: Create a diagram (handwritten) given the following conditions: a. A close circuit with 5 capacitors.…

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Q: 5. In an ultrahigh vacuum system (with typical pressures lower than 10-7 pascal), the pressure is…

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Q: Stretching spring: Eighteen pounds of force is required to stretch a spring 3 ft. from its natural…

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Q: A 0.35-H inductor is connected across a 12-V AC power source whose frequency can be varied.…

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Q: A bullet weighing 60g is fired at a velocity of 360m/s at a block weighing 1kg at rest on a…

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Q: A ball has a 1.35N force applied to it. How long does it take to increase the momentum of the ball…

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Q: 4. Given the circular coil shown below, calculate the magnitude of: a. Magnetic moment b. Torque on…

A: Given: The radius of the coil is 2.5 inches. The current in the loop is 45 A. The magnetic field is…

Q: In the arcade game Skee-Ball, a solid ball MR² rotational inertia) is rolled without slipping along…

A: We need to calculate the initial speed of the ball, Vo on the flat portion of the track.

Q: Determine angles a, b, and c shown in the Figure 1. a 40° FIGURE 1

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Q: Silly Jenny is 5.5 feet tall. She launched a toy rocket from the top of her head with an initial…

A: Please note : As per answering guidelines I can answer the first three sub-parts of a multisub-part…

Q: A vessel containing 1,000 kg of water at 25.00 C is heated until it boils. How much heat is…

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Q: 3) The ground state and the first three excited states of this harmonic oscillator are occupied. How…

A: Number of different photon energy that will be appeared will be equal to number of possible…

Q: The round plates of an ideal air-filled parallel-plate capacitor carry a set quantity of equal but…

A: Capacitance of a air filled plate capacitor is  C = A∈0/d( A = area of plates, d = separation…

Q: The wave function of a standing wave on a string is given by:y(x,t)=0.02sin(πx)cos(50πt)

A: Given:-  The wave function of the standing wave is as  y(x,t) = 0.02sinπxcos50πt where x and y are…

Q: A very strong but inept shot putter puts the shot straight up vertically with an initial speed of…

A: Initial vertical velocity (u) = 10.2 m/s initial height (H) = 2.4 m Final height (h) = 1.5 m

Q: Stretching spring: Eighteen pounds of force is required to stretch a spring 3 ft. from its natural…

A: force (F) = 18 pounds stretch (d) = 3 ft

Q: What is the wavelength of a sound wave traveling through the air at sea level that has a frequency…

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Q: A citizen's band radio transmitter operates at a frequency of 27.1 MHz. The peak voltage across the…

A: we have f=27.1×106Hz

Q: The subscript refers to the resistor with that value I. Find the equivalent resistance in these…

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Q: A large fan takes 12. 0s to reach its operating speed of 2. 0rev/s after it is turned on. Find its…

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Q: separation distance. 3. Calculate the voltage of a battery connected to a parallel plate capacitor…

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Q: The heels on a pair of women's shoes have a radius of .5cm at the bottom. If 30% of the weight of a…

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Q: At a certain instant, train A is 60 km north of train B. A is travelling south at a rate of 20 km/hr…

A: Distance = speed ×time

Q: A simple solar energy heater is a glass-topped box containing rocks. Sunlight heats the rocks during…

A: Given:-  A simple solar energy heater is a glass-topped box containing rocks.  Sunlight heats the…

Q: 4) In problem 2, analyze all of the triple junctions in velocity space to determine if the triple…

A: For part a, b, e and f:

Q: Question 15 The round plates of an ideal air-filled parallel-plate capacitor carry a fixed amount of…

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Q: 5-29.Using the method of sections, determine the loads in member BG (Figure P5-29). 1.5 m 3 m 3 m…

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Q: Find current Voltage=22 V Resistance 4 ohms

A: Current = Voltage/Resistance