If an electrical supply does 25 Joules of work and creates a 2-amp current in a heater through the heaters 10 ohm resistor, how long was that heater on for? 4. For question 3, what is the voltage of the electrical power supply?

Q: As the drawing shows, a carpenter on a space station has constructed a 30.0° ramp. A rocket moves…

A: Given Data: Speed of the rocket v=0.863c Where, c=3×108 m/s, velocity of light. Angle θ=30° We know,…

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A: Given, To rotate direction of polarization of polarized beam by 90° Transmitted intensity should not…

Q: An 8000 kg killer whale accelerates from rest to 12.0 m/s in 6.00 s. (a) Calculate its power in…

A: mass, m=8000 kgfinal velocity, v=12 m/sinitial velocity, u=0 m/stime, t=6 s

Q: 4) If 10J of work is required to move 2C of charge in a uniform electri the potential difference…

A: Write the given values with the suitable variables. W=10 Jq=2 C Here, W and q are the work done and…

Q: Waves moving on a pond of water are estimated to have a distance of 1.4 m between crests. If they…

A: Write the given information with the suitable variables. d=1.4 mv=4.5 m/s Here, d and v are the…

Q: F12-20. The position of a box sliding down the spiral can be described by r = [2 sin (2t)i + 2 cos…

A: The Position of a box r→=2sin (2t) i^+2 cost j^-2t2k^ Time(t)=2 s

Q: A 65 turn coil of wire creates a circular area of 7.74 cm2. If a magnetic field of 14.74 T hits this…

A:

Q: Onderstanding cem Learning Goal: To learn the quantitative use of the lens equation, as well as how…

A: Object distance is = S =12 cm   image distance is = s' = 15 cm

Q: The net force on a current loop in a uniform magnetic field is zero. But what if B is not uniform?…

A:

Q: Problem 3: Speed of Light a) If the speed of light through material Z is 2.5 × 108 m/s, what is this…

A:

Q: An undiscovered planet, many light-years from Earth, has one moon, which has a nearly circular…

A: Mass, m = 4.75×1022 kg Radius, R = 3.375×10³ km Distance, d = 2.000×105 km Time period, T = ?

Q: A hydraulic brake system in a car connects the brake pedal to the brakes on the wheels. When the…

A:

Q: Light of wavelength 516 nm passes through a slit 7.00 x 10-6 m wide and falls on a screen that is…

A:

Q: What is the resultant magnitude and direction of the force on a 7 µC charge situated on the y- axis,…

A: We have given: Charge located at x-axis, q1 = 3 μC Charge located at y-axis, q2 = 7 μC Distance of…

Q: 1) The figure shows a plot of the one over the object distance versus one over the image distance.…

A:

Q: *1. A man stands in front of a mirror, as shown in the following figure. His eyes are 1.7 m above…

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Q: multiple choice question What will be the energy associated with a red photon, if the wavelength of…

A: Wavelength (λ) = 650 nm Required: The energy associated with red photon

Q: Is the speed of light constant?

A: If the speed of light is constant.

Q: 2) Three ice skaters meet at the center of a rink and each stands at rest facing the center, within…

A:

Q: 9) How many electrons are moving through a current of 2A for 2 s? a) 3.2 x 10-19 b) 6.28 x 10 18 c)…

A: Given:          Current, I=2 A            Time, t=2 s Find: The number of electrons, n=?

Q: Listen The body temperature of a desert iguana ranges from 100°F to 105°F. Therefore the high end of…

A: Given, T1=100 °FT2=105 °F Where, T1 =  lower end of the range T2 = higher end of the range.   To…

Q: .9, then find the period of oscillation.

A: Mass of torsional pendulum                              m = 0.57 kg Moment of Inertia of torsional…

Q: At 2.1 km from the transmitter, the peak electric field of a radio wave is 350 mV/m. A. What is the…

A:

Q: When you work through these problems, show your work for full credit. Step 1: Write down the…

A: The speed of sound varies in different mediums. The rigidity(compressibility in the case of gases)…

Q: ← → C OB ▼ Part A What is the equivalent resistance between points a and b? Express your answer…

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Q: 25. A mass weighing N is attached to a sp is 2 N/m. The medium offers a damping force that is…

A: As per guidelines, I can do only first question, Please re-post other question. Thanks.…

Q: In the figure here, a ball is thrown up onto a roof, landing 4.50 s later at height h = 18.0 m above…

A: h = 18 m t = 4.50 sec θ = 54o

Q: Suppose that F₁ = 7.9 kN. (Eigure 1) Figure F₁ E 30° 1 of 1 > 6 kN ▼ Determine the magnitude of…

A: The magnitude of the force F1 is 7.9 kN. Another force along the horizontal direction is 6 kN. Draw…

Q: The two nuclei in the carbon monoxide (CO) molecules are 0.1128 nm apart.  The mass of the carbon…

A:

Q: The average intensity within the 3.4-mm radius circular spot illuminated by a helium-neon laser…

A: Given Data: Radius (r) = 3.4 mm = 3.4×10-3 m.Average intensity (I) = 53.5 W/m2. To Determine: (a).…

Q: A 600 g mass on a 45cm-long string is released at an angle of 4.5∘∘ from vertical. It has a damping…

A:

Q: 17) Four equivalent light bulbs (i.e. same resistance) are arranged in the circuit shown below.…

A: All the bulbs have same resistance. i.e, R is same.

Q: 3) What is the Capacitance of a parallel-plate capacitor made up of two aluminum plates, 4 cm in…

A:

Q: The body temperature of a desert iguana ranges from 100°F to 105°F. Therefore the high end of this…

A: T1=100 °FT2=105 °F Here, T1 and T2 are the lower end of the range and the higher end of the range…

Q: 200 kg A uniform vertical rod, mass 100,0 kg, is attached at point A by means of a hinge to the…

A:

Q: 8) What is the direction of the magnetic field at point A above the wire carrying current? a) Out of…

A: Direction of magnetic field at point A located above the current carrying wire.

Q: Problem 14: Light of wavelength 542 nm falls on a double slit. The seventh-order bright bands appear…

A:

Q: A slab of wood 65 cm long, 99 cm wide and 7 cm thick, has a density of 653 kg/m³. How much is the…

A: Solution: Given: 1 m = 100 cm 1 m3 = 1000 L L = length of slab of wood = 65 cm = 0.65 m W = width of…

Q: person has a weight of 65 kg. Calculate the work to be done in climbing 3.5 m from the steps of a…

A:

Q: An image is 4.0 cm behind a concave mirror with focal length 5.0 cm. Where is the object? O 1.0 cm…

A: Given that, image distance di=4.0 cmfocal length f=5.0 cm

Q: Suppose the wavelength of light in a Michelson interferometer is 750 nm. How many dark fringes will…

A: See below

Q: If the wire can withstand a maximum tension of 40.0 N and the angle between each wire is 20.0…

A:

Q: (a) How much heat transfer (in 3) occurs from 27.0 kg of 81.0°C water placed in contact with 27.0 kg…

A: You have posted a question with multiple sub-parts, but as per the guidelines we are only be able to…

Q: Waves moving on a pond of water are estimated to have a distance of 1.3 m between crests. If they…

A:

Q: Part C How much work is done by the rocket engines in changing the orbital radius? Express your…

A: Mass of the rocket (m)=4.00×103 kg Initial orbital radius r1=7.30×106 m Final orbital radius…

Q: A 14.0-mW helium-neon laser emits a beam of circular cross section with a diameter of 2.85 mm. (a)…

A:

Q: A diverging meniscus lens with a refractive index of 1.48 has spherical surfaces whose radii are…

A: The focal length of the diverging meniscus lens can be calculated using the lens maker's formula:…

Q: 18) A 60 Ohm resistor is made by winding Platinum wire into a coil. If the Platinum wire has a…

A: A platinum wire having resistance (R) =60 ohm, resistivity=10.4 x 10-8 ,diameter (d) =0.10 mm. We…

Q: Compute the power (in diopters) that corresponds to this focal length diopters

A:

Q: The figure below shows the cross section of a long cylindrical conducting cylinder of radius a =…

A: See below