Is the velocity vector always in the direction of motion?  If say a car is moving to the right and slowing down, would it have a rightward velocity and leftward acceleration?

Q: A tank containing methanol has walls 2.50 cm thick made of glass of refractive index 1.550. Light…

A:

Q: Farwi Resonance L Second Resonance La ↓ 162m Third Resonance La 0.85m Frequency First Resonance L₁…

A: Corresponding to 500 Hz, the wavelength is: 0.68 m and 0.70 m Average = λ1 +λ22Average =0.68 +…

Q: 16. Two vehicles move as shown in the figure. Calculate the frequency heard by the truck driver…

A: speed of car (vc) = 150 kmhr speed of truck (vt) = 60 kmhr temperature = 20oC the original frequency…

Q: Two pieces of mud are stuck to the spoke of a bicycle wheel. Piece A is closer to the circumference…

A: Two piece of mud are stuck to the spoke of a bicycle.  Piece A is closer to circumference of the…

Q: A positive charge is moving to the left and experiences a magnetic force toward the top of the…

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Q: You have a long string, and you oscillate one end, causing a (transverse) wave to propagate along…

A: We are solving first three parts for you. Kindly post the other parts separately.

Q: A water intake at a pump storage reservoir (see the figure below) has a cross-sectional area of…

A: Area of cross section of the pipe at intake, A1=0.637m2 Flow speed at the intake, v1=0.47m/s…

Q: At the very end of Wagner's series of operas Ring of the Nibelung, Brünnhilde takes the golden ring…

A: Draw the schematic diagram of the system.

Q: blackbody radiation emitted from a furnace peaks at a wavelength of 4.4 10-6 m (0.0000044 m). What…

A: The peak wavelength emitted by a black-body radiation is λmax=4.4×10-6 m Find: Temperature inside…

Q: 2. A rock is shot straight up into the air with a slingshot that had been stretched 0.30 m. Assume…

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Q: A ring of radius 5 m lies in the x,y plane, centered on the origin. The portions of the ring in the…

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Q: of a concrete bl t 350C the tension of the wire is 50 N. What is the tension at 165 oC 1 expansions…

A:

Q: D 1-GDJOUNENS U а с 4.5 ī ~ n www fi 3.5 2.5 + O.S O 2 w 6 Displacement Time Graph 7 8 a 10 12 N=O…

A: We have given displacement time graph Velocity =displacementtime

Q: A 25-L container holds hydrogen gas at a gauge pressure of 0.25 atm and a temperature of 0C°. What…

A: To calculate the mass of hydrogen in the container, we can use the ideal gas law, which relates the…

Q: A spaceship in distress sends out two escape pods in opposite directions. One travels at a speed V₁…

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Q: An unstable atomic nucleus of mass 1,00 x 102 kg initially at rest disintegrates into three…

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Q: Would I not be Final displacement over time? 2m//24 seconds=0.083m/s Thats my answer

A: Average velocity =Total DisplacementTotal time taken

Q: 2. Electric Field Strength: A balloon is given a charge of - 4.5 nC. a) Determine the electric field…

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Q: A 48 turn coil of wire creates a circular area of 6.95 cm2. If a magnetic field of 90.79 T hits this…

A: Number of turns is N=48 Area is A=6.95 cm2 Magnetic field is B=90.79 T Magnetic field hits the area…

Q: A convex lens of focal length 29.9 has an object located on its principal axis, 53.5 cm from the…

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Q: A NASA scientist studies a Moon rock whose mass is 9.00 kg and finds that it has an apparent mass of…

A: Mass of rock is m=9 kg Apparent mass is ma=6.50 kg The rock is submerged into water. Note: Density…

Q: Pathol 8 no 4. Determine the speed with which a person moves away from a sound source, if the…

A: speed of sound in air (v) = 340 m/s The speed of the person with which it is moving away from the…

Q: A projectile is projected horizontally with an initial speed of 3.5 m/s from the edge of a cliff 5.0…

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Q: The electric field 2.8 cm from a small object points away from the object with a strength of 1.80 x…

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Q: The power in Diptera of the spectacle lens that will enable a near-sighted person to see distant…

A: The power of lens is P=-2D.

Q: An ambulance travels down a highway at a speed of 75.0 mi/h with its siren emitting a sound with a…

A:

Q: 2) The Earth is 1.49x10¹¹ m from the Sun. If the Earth requires 365.25 days to go once around the…

A: Distance of earth from sun = r = 1.49×1011 mTime taken to complete 1 revolution =T = 365.25 daysMass…

Q: 4. Draw a phasor diagram showing the voltages in an RLC circuit operating at a frequency of 120 Hz…

A: Frequency f = 120 Hz  Resistance R = 3.5 ohm  Inductance= L = 4.6 mH = 4.6 x 10-3 H  Capacitance C =…

Q: MA e.g. A wood block mB is static on smooth table with another block on one ends of it. Now give m…

A: Mass of block A =mA Mass of block B= mB Coefficient of friction=µ          mA=mB

Q: 3-Consider an electric circuit comprised of a 10.0 2 resistor connected to an AC voltage source that…

A: Resistance, R=10.0Ω Instantaneous voltage, ∆v=18.0 sin(12.4πt) We have to determine instantaneous…

Q: What is the average velocity of this displacement time graph. My answer is 0.0833m/s because I am…

A: Here from the graph We can clrealy say that Initial position of object is at origin Final position…

Q: Two charges q=+1.2 µC are fixed a distance d-2.6 cm apart (see the figure). (a) With V-0 at…

A: The three charges are q=+1.2 μC. The distance between first two charges is d=2.6 cm=0.026 m.

Q: Three point charges -Q, -Q, and +3Q are arranged along a line as shown in the sketch. P R Ⓒ+4.4kQ/R…

A: Distance to point P from charge +3Q is R Let r be the distance to point P from the negative charge…

Q: 1. The rectangular loop in the diagram below moves to the right, into a rectangular region in which…

A: Loop width = 0.6 m Loop height = 0.4 m Resistance = 0.1 ohms Velocity = 5 m/s Magnetic field = B =…

Q: A negatively charged particle is moving to the right, directly above a straight wire carrying a…

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Q: A hearing aid is essentially a system consisting of a tiny microphone, amplifier, and speaker. A…

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Q: The nucleus of a particular isotope of beryllium contains 4 protons and 5 neutrons. Which of the…

A: Given in question -  The beryllium atom contains 4 protons and 5 neutrons. To find - Which one of…

Q: A block of mass 20 kg moves along a frictionless surface, and is in a collision course with a sphere…

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Q: 6. What is the distance between a proton and a testbody if the charge of the proton is 1.6 x 10-¹⁹ C…

A: The charge on the proton is 1.6x10-19 C. The strength of the electric field is 7.9x10-8 N/C.

Q: Cam Payne is camping in a national park. He makes a loud holler and hears an echo 1.24 seconds…

A: Write the given values with the suitable variables. t=1.24 sT=20 °C=20+273=293 K Here, t and T are…

Q: A thin film of magnesium fluoride (n = 1.38) is applied to glass (n=1.50) with a thickness of 100…

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Q: dn 2. A Fabry-Perot laser diode is operating at 1750 nm. The Laser Diode has a cavity length of 400…

A: Original wavelength of the laser, λ=1750 nm=1750×10-9 m Cavity length of the laser diode, L=400…

Q: How many electrons flow through a battery that delivers a current of 4.0 A for 12 s? O 6.4 x 1018…

A: Current, i=4.0A Time, t=12s

Q: You build a standard biological microscope using lens with focal lengths of 10 cm and 3.0 cm, with…

A:

Q: A photon of wavelength 0.90638 nm strikes a free electron that is initially at rest. The photon is…

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Q: A glass of iced tea contains a large chunk of pure ice partially floating on the iced tea. Given the…

A: 8- Density of ice=917 kg/m3 Density of iced tea=1008 kg/m3   Note: It is bartleby q&a policy…

Q: A point currently has velocity = -4î - 23 m/s due to rotation about the origin in the x-y plane with…

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Q: Calculate the electric potential a distance 5.6 x 104 km from a point charge of -3.6 × 10 C.

A: d=5.6*10^-1 m Q=-3.6*10^-4 C Potential = k*Q/d where k=9*10^9 Nm2 /C2

Q: A mechanic hangs a sign outside the workshop as shown below. The 200.0-N sign hangs from a beam that…

A:

Q: A light ray goes through two thick rectangular slabs of glass, each of the same uniform thickness.…

A: Draw the ray diagram.

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.