A doctor examines a mole with a 15.8 cm focal length magnifying glass held 13.6 cm from the mole. a. Where is the image? (Include the sign of the value in your answer.) m b. What is its magnification? c. How big in millimeters is the image of a 4.87 mm diameter mole? mm

Q: 15. How much work is done by a magnetic field as a charged particle circulates through it? A. It…

A: Let the charge = q Let the speed of the charged particle = v Let the magnetic field = B

Q: 29. A real engine, operating between 1800 K and 900 K, has an efficiency that is 50% of the most…

A: Write the given values with the suitable variables. TH=1800 KTL=900 K Here, TH and TL are the higher…

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A: Initial speed of ball is u=0 m/s Final speed of ball is v=45 m/s Distance is s=1.50 m Find: (a)…

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Q: 1. A laser light passing through a double slit creates a diffraction pattern with maxima 1 cm apart.…

A: A laser light passing through a double slit creates a diffraction pattern with maxima 1 cm apart.

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A: The radius of the circle, R=2 m The angular velocity, ω= 3 rad/s The angular acceleration, α=11…

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Q: Part A What is the value of q/m for a particle that moves in a circle of radius 9.0 mm in a 0.60 T…

A: The centripetal force on the particle due to its circular motion is provided by the magnetic force:…

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A:

Q: Identify every term that is an illustration of gamma decay. je has a negative 1 charge Has no mass…

A: Type of decay : gamma decay (γ) The gamma decay for a general element can be written as : XZA* →XZA…

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A: The mass of the beam: M The length of the beam: L

Q: constant electric flux of 1800 Volt-meters passes through the center of a loop of wire whose…

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Q: Draw a circuit diagram for a series circuit containing a R = 0.2 k resistance, a coil with L = 0.1 H…

A:

Q: In unit-vector notation, what is the net torque about the origin on a flea located at coordinates…

A: Coordinates of flea = (1 , -3 , 4) m F1→ = -1k^ N F2→ = -4j^ N

Q: What is the specific heat of a 255kg substance that changes its temperature by 30°C when it has…

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Q: The figure shows a 170 g uniform rod pivoted at one end. The other end is attached to a horizontal…

A: L = 0.20 m, m = 170 g or  0.170 kg, k = 3.0 N/m, θ = the rod's angle from vertical

Q: A 1.6 kg rock whose density is 4500 kg/m³ is suspended by a string such that half of the rock's…

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Q: Solenoid is 25 cm long and has a diameter of 5 cm. It is made up of 300 turns of wire. A Current is…

A: Length, L = 25 cm = 0.25 m Diameter, d = 5 cm Radius, r = d/2 = 2.5 cm = 0.025 m Number of turns, n…

Q: A fisherman's scale stretches 4.0 cm when a 3.0-kg fish hangs from it. ▼ Part A What is the spring…

A:

Q: 13. What is the current flowing through the 2-2 resistor? 89 a. 3A b.) 4A C. 2A d. 6A 22 16 V ㅔㅏ 282

A: The circuit diagram is shown below.

Q: Problem 3: A typical sound power of one mosquito is 5.154 x 10 W. You are standing 0.750 m away from…

A: Power of sound due to one mosquito = 5.154×10-8 W Distance from the mosquito = 0.75 m

Q: Given position-space lattice vectors a, b and c, show that the reciprocal lattice vectors 2πα x b…

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Q: solenoid produces a magnetic field 0.1 T when the current running through it is 0.2 A. What current…

A: Given, Solenoid produces, magnetic field 0.1 T if , i = 0.2A And if B = 1T the required current is?

Q: Let's take the Earth's magnetic field BE = 1.70 x 10-4 T pointing north. A metal cable attached to a…

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Q: Each raindrop has a mass of 3.7 x 104 kg and speed of 2.5 m/s before impact and is at rest after the…

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Q: If the system shown below is used to run a refrigerator, which of the following is true for the x to…

A:

Q: Consider a 560 nm light falling on a single slit of width 1.1 μm. λ = 560 nm w = 1.1 μm At what…

A: Wavelength λ=560nm Slit width w=d=1.1μm For first minimum m=1

Q: State three types of magnetic behaviour shown by solids, and explain their meaning.

A: The three types of magnetic behaviour shown by solids are Diamagnetic Paramagnetic Ferromagnetic

Q: A diver of mass 66.5 kg stands on one end of a diving board of mass 20.3 kg, as shown in the…

A: The free-body diagram of the diving board is shown below. Here, m, M, and R are the mass of the…

Q: Problem 6: The figure shows the forearm of a person holding a book. The biceps exert a force FB, and…

A: Apply the equilibrium condition of torque about the elbow joint and substitute the corresponding…

Q: And what is the net horizontal force exerted on the child (m = 25.0 kg)?

A: Mass of child ( m ) = 25 kg Distance of child from center ( R ) = 9 m Speed of child ( v ) = 1.50…

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A: The mass of the object,   The length of the chord,   The frequency of the vibrator,   The number…

Q: All heights given below are measured from the ground which is assumed to be h=0. How fast does the…

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Q: You place a crate of mass 40.9 kg on a frictionless 2.64-meter-long incline. You release the crate…

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Q: 20. Both conducting loops shown below are coplanar (in the y/z axes) and carry current as shown.…

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Q: Part B Imagine that the wire described in the problem introduction is used for the highest C on a…

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Q: 10) Consider the following traveling wave given by the equation: x = (0.3 m) cos(13x - 23t). What is…

A: 10 The traveling wave given by the equation: x = (0.3 m) cos(13x-23t) To determine the wavelength of…

Q: In (Figure 1), consider the closed loop 1→2→3→4→1. This is a cyclic process in which the initial and…

A: In (Figure 1), consider the closed loop 1→2→3→4→1. This is a cyclic process in which the initial and…

Q: 2.467 is still wrong for the magnitude

A: A→= 1.7 × 10^6 km B→ = 1.3 × 10^6 km at angle of 70° north of east

Q: a solenoid 4.0 cm in radius and 4.0 m in length has 8000 uniformly spaced turns and carries a…

A: Radius of the solenoid, r = 4 cm = 0.04 m Length of the solenoid, L = 4 m No of turns, N = 8000…

Q: Problem 2: Two small, spherical asteroids have masses m1 = 1.00 x 106 kg and m2. They are separated…

A: Draw the free-body diagram of the system.

Q: The intensity of an earthquake wave passing through the Earth is measured to be 2.5×106 J/m². S…

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Q: In the electric currect flow, it is found that the resistance (measured in the units called ohms)…

A: diameter of the wire 0.01 in diameter has a resistance of 0.371 ohm diameter 0.0269 in

Q: F(t)=-16t^+192t determine the time when the projectile hits the ground

A: Equation of height F(t)=-16t2+192t

Q: 39. An object is placed along the principal axis of a spherical mirror at a location of 3f/2 in…

A: Concave mirrors are spherical mirrors with reflecting surfaces that curve inward like a spoon. The…

Q: If the black dot in the previous sketch represented an electron with an instantaneous velocity…

A: The direction of the magnetic force on the electron depends on the direction of the magnetic field.…

Q: 17. Water (density = 1000kg/m^3) flows in a horizontal circular pipe from a region of larger cross…

A: Write the given values with the suitable variables. AA=1×10-3 m2AB=0.25×10-3 m2vB=15 m/s Here, AA,…

Q: A parallel plate capacitor with capacitance C=0.6 mF is connected and charged to a battery with…

A: