Multiple Choice.

Q: You are working in an ice skating rink and have been asked to hang a new banner on the wall. Your…

A: the forces are shown below

Q: this is very confusing.

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Q: How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s? O 0.33 N O…

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Q: A 20 V potential difference is applied across a parallel combination of a 10 Q and 30 Q resistor.…

A: Given data: Potential difference, V=20 V    R1=10 Ω   R2=30 Ω

Q: Q4. Three of the following statements are true, but one is false. Indicate which one is false? (a)…

A: Q4 (c) An isothermal process is one in which the pressure is constant.   Q2 (b) A simple system is…

Q: A string with a mass per unit length of 0.500g/cm has waves traveling on it which can be described…

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Q: Find the three currents in the following figure. 2.0 1 1.0 0 5.0 V 1.0 0 5.0 V

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Q: A window cleaner is pulling himself up to a pulley that consists of two disks welded together as…

A: Given  Magnitude of net force acting on the person = 562 N Mass of the person  = 82.5 kg Pulley's…

Q: Question 3: Yiğit Çınar is developing a program with a number of activities that must be completed.…

A: This problem can be solved by applying the basic concept of activity on node problems .

Q: For the motion of the body described below, what type of deformation does it epresents? What…

A: Given: x1=X1+αt X2x2=X2+βt X1 Explanation: First part: The above deformations are known as "affine…

Q: Three kilograms of gas are heated from 200 deg.C to 500 deg.C at a constant pressure in a heat…

A: change in temperature ∆T = 300 deg celsius mass m = 3 kg

Q: SK dl =? T=3.1415926 K = 1,7 +7,2 â x1=3,41 m x2=4,69 m a=38° B=36° B X2 A x1 Bº Z

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Q: incorrect. ahhhh

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Q: Determine the equivalent capacitance between A and B for the group of capacitors in the drawing.…

A: The circuit diagram is shown below.

Q: 1. Consider a medicine ball with mass 2kg and initial velocity of 1.2 m/s. During 1.5s a force of…

A: Given, Mass of medicine ball(m)= 2kg Initial velocity of ball (u)= 1.2 m/s. 12 N force act on ball…

Q: An uncharged metal bar of length L is placed a distance d from a point charge -Q as shown in the…

A: By using two properties  of electric  field  1 ) electric  field inside a conductor is always zero…

Q: The temperature of copper wire is raised. Its esistance remains the same Ɔ a. decreases increases Ɔ…

A: As the temperature of the copper wire is increased . The flow of electrons is interrupted due to…

Q: (a) On the diagram, draw arrows representing the momentum of the proton at locations A, B, and C.…

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Q: Check all all true statements in terms of Velocity and Speed 素 Units don't matter in final answer…

A: Given Select the correct statement from the following about speed and velocity

Q: You are pulling on a rope attached to the outer radius of a pulley with a moment of inertia I = 6.4…

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Q: meters. Determine the volume of the kettle at 24 deg. Celsius.

A: Given: Temperature, T=24oC Expanded volume, ∆V=1.2×10-5m3

Q: If the current in the 8.0-2 resistor is 0.5 A, what is the magnitude of the potential difference,…

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Q: 5. A brown stinky liquid has density = 3.119g/mL. Calculate the volume of 98mL of this liquid.

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: IE .. A car on a circular track accelerates from rest. (a) The car experiences (1) only angular…

A: a) Angular acceleration to increase its speed and centripetal acceleration to keep it in circle so ,…

Q: 11. A 750 turn coil is rotated by 90° in 3 ms. The coil is a square, 23 cm on a side. If an Emf of…

A: Solution 11: Given quantities are: number of turn =750t=3mslength a=23cmemf=2.7VB=? The coil is…

Q: An electron is projected with an initial speed v0 = 5.30x106 m/s into the uniform field between the…

A: Given:-  An electron is projected with the initial speed v0= 5.30×106 m/s into the uniform field…

Q: 39. A wave on a very long rope takes 2.0 s to travel 10 m of the rope. If the wavelength of the wave…

A: Part (39): Given: The wavelength of the wave is 2.5 m. The distance traveled by the wave is 10 m in…

Q: This answer is incorrect. Can I get a correct answer please?

A: Here velocity u= 189 ft/sit makes angle 34o with horizontalTime taken to hit the point above h…

Q: Find the max range if the projectile speed is 3.0 m/s.

A: Range of projectile is u2sin2θg. Range of projectile is 0 when θ = 00 Range of projectile is maximum…

Q: 4 - Which of the following is the electric current unit? O A) Ampere / meter O B) Volt OC) Coulomb…

A: Electric current is the flow of electric charge through the surface.  To find: Unit of electric…

Q: what is the voltage in mV across an 9.5mm thick membrane if the electric field strength across it is…

A: Given: The given values are, d=9.5mm E=5.75 MV/m To find the voltage value.

Q: The circuit in the figure below has been connected for a long time. Let R₁ = 7.60 Q and R₂ = 3.00 .…

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Q: n reference to the figure, A 0.125 m B Vo = 10 m/s hannnnn 30° Determine the velocity in m/s of…

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Q: In the classic model for electrical conduction, electron mobility u in a metal wire is defined as…

A: In the presence of applied electric field, electron's ability to move through a metal or…

Q: Two light bulbs of the same resistance are connected in series. Choose the correct answer. Select…

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Q: ww 5) The current through the 20-Q resistor in Fig-19-81 are both open or both closed. Use this clue…

A: The resistance of the resistors are given as, R1=20 Ω, R2=R Ω, R3=50 Ω, and R4=10 Ω. The potential…

Q: A 500-g sample of iron is heated to 50.0°C and placed on a very large block of ice, which is…

A: Given Data: The mass of the iron sample is: m=500 g=0.5 kg The temperature of the iron sample is:…

Q: An object is in circular motion. The frequency of its motion is 7.0 Hz and its velocity is 20 m/s.…

A: We are allowed to answer only the first question. For solutions to other questions, please re-post…

Q: Your friend, who is in a field 70 meters away from you, kicks a ball towards you with an initial…

A: Initial Velocity u = 20 m/sDisplacement S = 70 mAcceleration a =  ( negative since it is…

Q: PE = kx'/2 PE, Egla c. d. =hc/. Туре? Туре? a = F/m f. KE = (1/2)mv? KE e. a F m Type? Type?

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Q: Three kilograms of gas are heated from 200 deg.C to 500 deg.Cat a constant pressure in a heat…

A: Given, mass m = 3 kg Temperature is changed from 200 C to 500 C Pressure is constant. Gas is Helium.…

Q: e the Period T and Frequency f.

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Q: end. Calculate x if the two people in the rear each support one-third of the ladder's weight.

A: Length of ladder, L=5.0m Three people support one-third of the ladder's weight.

Q: If the electric potential in 3D space is given as V = x' +y° +z° - 6xy – 6 yz - 6zx find the…

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