Consider the following two vectors: Ủ = (1.4) î + (2.1) Ĵ + (4.1) k v = (-6.5) + (-7.9)ĵ+ (13) k

Q: In the figure, a chain is held on a frictionless table with 1/4 of its length hanging over the edge.…

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Q: A 350 g block is dropped onto a relaxed vertical spring that has a spring constant of k= 4.6 N/cm…

A: a) Write the expression for the gravitational force and substitute the corresponding values.…

Q: How much heat transfer (in J) occurs from a system if its internal energy decreased by 290 J while…

A: The internal decreased by 290 J. The work done is 43 J.

Q: 3. Two long parallel vertical wires 20 cm apart are carrying currents of 20 A and 25 A in the…

A: Two parallel long current carrying wire:  Take, 'into the page' as negative direction and 'out of…

Q: One force acting on a machine part is F= (-5.00 N). The vector from the origin to the point where…

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Q: A ball is kicked with an initial velocity of 19 m/s in the horizontal direction and 19 m/s in the…

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Q: Suppose you start an antique car by exerting a force of 340 N on its crank for 0.13 s. 1) What…

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Q: A uniform beam of length L and mass Mhas its lower end pivoted at P on the floor, making an angle…

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Q: An ice skater is spinning at 5.4 rev/s and has a moment of inertia of 0.44 kg ⋅ m2. Part (a)…

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Q: A ray of light travels from a glass-to-liquid interface at an angle of 35.0°. Indices of refraction…

A: Refractive index of glass is n1 = 1.52  Refractive index of liquid is n2 = 1.63  angle of incidence…

Q: Define simple harmonic motion.

A: Simple harmonic motion is a type of oscillatory motion that occurs when the restoring force on an…

Q: One end of a cylindrical pipe has a radius of 2.2 cm. Water (density = 1.0 × 10³ kg/m³) streams…

A: Radius of the cylindrical pipe at one end, r=2.2 cm=2.2×10-2 m Speed of the water flow at this end,…

Q: Finding the work done in lifting a bucket. A 8 lb bucket attached to a rope is lifted from the…

A: 1) Write the expression for the work done and substitute the corresponding values to calculate the…

Q: The mass of an object is 14 kg. If it has a volume of 360 cu.m, what is its Unit weight in N/

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Q: What does it mean to measure sound in decibels?

A: Sound intensity: It is a measure of the amount of sound energy passing through a particular area per…

Q: A coil of 15 turns and radius 10.0 cm surrounds a long solenoid of radius 2.30 cm and 1.00 x 10³…

A: Number of turns ( N ) = 15 Radius of the coil ( r ) = 10 cm = 0.1 m Current ( I ) = 4.00 sin( 120t )…

Q: A 2000-lb bus rounds a curved tunnel on a level road of radius 52 m at a speed of 16 m/s. The road…

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Q: During an observation, it was noticed that light diffracts as it passes through small slits in a…

A: When light passes around any sharp object it bends slightly, this is called the diffraction of…

Q: A certain object floats in three different fluids with different densities: A: 0.9p, B: p, C: 1.1p…

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Q: A flywheel with a radius of 0.25 m starts from rest and accelerates with a constant angular…

A: Radius (r) = 0.25 m Initial angular velocity = 0 radsangular acceleration (α) = 1.5 rads2Angular…

Q: A spherical pot contains 0.700 L of hot coffee (essentially water) at an initial temperature of 90…

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Q: You place a crate of mass 25.0 kg on a frictionless 2.30-meter-long incline. You release the crate…

A: Mass of crate is M = 25 kg  Length of inclination is L = 2.30 m  time taken to reach bottom is t =…

Q: A grinding wheel is in the form of a uniform solid disk of radius 7.05 cm and mass 1.95 kg. It…

A: radius (r) = 7.05 cm = 0.0705 mmass (m) = 1.95 kg initial angular velocity = 0 radstorque = 0.591…

Q: 500 red (X= Poonm) Lights are 15cm apart. Using 5mm as the diameter of your eype, calculate the…

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Q: A car starting at rest accelerates until it reaches a speed of 18 m/s while traveling a distance of…

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Q: Conical pendulum is a ball with mass m hung on the ceiling with a thin 1.The ball has a initial…

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Q: Q1) Choose the correct answer for five of the following; 1- If a person studies about a fluid which…

A: ANSWER :   Q.1 = a) Fluid Statics   Explanation : In Fluid Statics we are studying about fluid at…

Q: The figure below displays a circular loop of metal wire in a uniform magnetic field pointing into…

A: We know,   Magnetic flux  Φ=BA as magnetic field B is constant so change in magnetic flux…

Q: Using the component method, determine the resultant force and the equilibrant force of each of the…

A: Force is a vector quantity and vector quantities are added according to the vector algebra. There…

Q: I tried to apply your logic to solve a similar problem, and it didn't work out. The measurements…

A: Draw the schematic ray diagram of the system.

Q: The isotope iron-56 has a nuclear mass of 55.9349375 u. Calculate the binding energy of iron-56…

A: Binding energy refers to the energy required to break apart a nucleus into its constituent nucleons…

Q: In the figure below, an iron bar sitting on two parallel copper rails, connected to each other by a…

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Q: sheet of aluminum with a rectangular shape is attached to a vertical support by a set of hinges.…

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Q: Given a 2m-length rod with 37.5 mm diameter what is the actual stress (in MPa) if axial load is 19.4…

A: To calculate the stress on the rod, we need to know its cross-sectional area. The cross-sectional…

Q: The figures shows a overhead view (they are lying on the ground without any friction) long uniform…

A: Solution:- Writing the given values of the question Mass of the rod M=0.600 kgSpring constant k=1850…

Q: (2TATC R₁ 2. Three resistors R₁-85.0 ohm, R2= 22.1 ohm, R3= 70.0 ohm and two batteries E₁= 40.0 V…

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Q: A cheetah can accelerate from rest to a speed of 28.5 m/s in 6.00 s. What is its acceleration (in…

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Q: Which of the following times is equivalent to 225 years? (Assume a 365 day year) 7.09×10¹1 ms…

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Q: With an initial velocity of 20 m/s, a car accelerated at 8 m/s 2 for 10 seconds. a. What is the…

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Q: (23) A particle located at the position vector f= [i+j] m has a force F = [2i+ 3j | N acting on it.

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Q: Light of 650 nm wavelength illuminates a single slit of width 0.20 mm. (Figure 1) shows the…

A: Wavelength, λ = 650 nm = 650×10-9 m Width, d = 0.20 mm = 0.20×10-3 m Distance to the screen, L = ?

Q: 1.5 kg chunk of putty moving at 2m / s collides with and sticks to a 6 kg bowling ball initially at…

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Q: The mass of a sample is 0.91 u. What is its mass in MeV/c2?

A: Mass of a sample = 0.91 u

Q: The figure shows two sections of an old pipe system that runs through a hill, with distances dA = dB…

A: Consider the length of the middle section as x. Write the expression for the total distance and…

Q: A uniform stick 1.2 m long with a total mass of 250 g is pivoted at its center. A 3.9-g bullet is…

A: Length of stick , L = 1.2 m Mass of stick ,M = 250 g = 0.250 kg Mass of bullet ,m = 3.9 g= 0.0039 kg…

Q: An unstrained horizontal spring has a length of 0.37 m and a spring constant of 250 N/m. Two small…

A: unstrained length (d) of spring = 0.37 m Spring constant (k) = 250 Nm let the magnitude of each…

Q: Which of the following were given as evidence supporting the Big Bang Theory?   The red shift in…

A: The options are:   1. The red shift in star spectra 2. Microwave energy across the universe at…

Q: A 0.810-kg block oscillates on the end of a spring whose spring constant is k = 41.0 N/m. The mass…

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Q: A sprinter is running at 11.9 m/s. After crossing the finish linethey slow down and come to a stop…

A: Initial Speed of the sprinter u=11.9 m/s Time t=8 s

Q: In an electric shaver, the blade moves back and forth over a distance of 2.1 mm in simple harmonic…

A: Distance, d = 2.1 mm Frequency, f = 119 Hz