oes an object always have the same mass and length? What makes a quantity a fundamental or base quantity?

Q: Write down the equation to calculate the torque if the magnitude of a force and the lever arm are gi...

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Q: 12) The function of a wave on a stretched string is given by: y(x, t) = 0.4sin(wt – kx + 4) where x ...

A: Given: y(x,t) = 0.4 sin (ωt-kx+φ)at t=0 and x=0y=-0.2 m

Q: In opening a door, a 35.8 N force is applied as shown in the figure below. Find the torque produced ...

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Q: An 11 kg block is being pushed forward on a flat surface with a force of magnitude 45 N. The coeffic...

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Q: A hot water heater in a residential home runs for an average of 3.1 hours per day with a heat energy...

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Q: 8. A 2500 kg van accelerates down an icy driveway, going from rest to 30.0 m/s in 6.00 s. During its...

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Q: ency in Hz of a photon with energy 2

A: GivenEnergy of photon, Ep=28 keV

Q: simple single-lens camera (convex lens) is used to photograph a man 1.7 m tall who is standing 3.5 m...

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Q: The Kingda Ka roller coaster in New Jersey is the world's tallest ride of its kind. As the passenger...

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Q: A 25.0-N force directed North is acting on a 10.0-kg crate. What must be the magnitude and direction...

A: For equilibrium, net force on the crate = 0 So second force will be 25.0 N in Southward direction.

Q: Victor walks 100. m, 25.0° South of East from the Rizal monument. He then moves 150. m, 35.0° West o...

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Q: The force between two parallel conductors carrying currents in opposite direction is 3.776 N/m when ...

A: For a given question the  diagram is shown about the two conductor place and the current flow in the...

Q: 2. Using a 1 meter long slinky that is anchored at only one end, what is the frequency for the 1st m...

A: We know that the relation between the   frequency and wavelength and velocity is given as ' c = fλf=...

Q: ball is held at a height H above a floor. It is then released and falls to the floor. If air resista...

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Q: A backpack full of books weighing 53.2N rests on a table in a physics laboratory classroom. A spring...

A: Weight of the backpack is m = 53.2 N  Force constant of the spring is K = 120 N/m   

Q: You swing a 4.6-kg bucket of water in a vertical circle of radius 1.4m. A) What speed must the bucke...

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Q: 3. A 1.0 kg book initially at rest falls from a height of 1.5 m to the floor. (a) Set the origin of ...

A: Since you have asked multi subpart question, I am answering first 4 subparts, if you need the answer...

Q: Water flows through a pipe system with a velocity of 25 m/s. The initial radius of the pipe is 20 cm...

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Q: What causes electrons in atoms to emit energy after absorbing it? becoming electromagnetic ra...

A: To explain : The reason due to which electrons in atoms emit energy after absorbing it   

Q: 20. . Show that 1.00 mol of ideal gas under STP occupies final 20. *. a volume of 0.0224 m³ = 22.4 L...

A: Given, Number of moles of ideal gas, n = 1.00 mol Under Standard temperature pressure condition, Tem...

Q: At some instant and location, the electric field associated with an electromagnetic wave in vacuum h...

A: Given : Electric field associated with an electromagnetic wave = 84.1 V/m    

Q: A trunk with a weight of 250N is at rest on a floor. The coefficients of friction between the trunk ...

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Q: An external magnetic flux density B* ext = 3 £ - 5ý + 7âT exists everywhere. Determine the magnetic ...

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Q: Part 1. A slightly inflated balloon is placed about eight centimeters above a burning candle. Explai...

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Q: An astronaut drops a marble on the surface of the airless Planet Z-49 and observes that it takes 1.0...

A: Using kinematic equation, h = v0*t+1/2*g*t∧2 2 = 0*t+1/2*g*1.02∧2 g = 4/1.02∧2    = 3.845m/s∧2

Q: Imagine a photon that was determined to have a wavelength of 50 AI. RemeMbenng iai ue apLcu ol g of ...

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Q: 43. A proton is initially at rest and moves through three the proton accelerates across a potential ...

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts fo...

Q: A 0.450 kg hammer is moving horizontally at 9.50 m/s when it strikes a nail and comes to rest after ...

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Q: A solid sphere of mass 2.36 kg and radius 0.660 m is rolling without slipping along a horizontal sur...

A: Given data The mass of the solid sphere is given as m = 2.36 kg. The radius of the sphere is given ...

Q: An uncharged capacitor and a resistor are connected in series to a source of emf. If E = 12.00 V, C ...

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Q: 2. A marble is thrown horizontally from a table top with a velocity of 1.50 m/s. The marble falls 0....

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Q: C. Activity 3 -Ohmic and Non-ohmic Materials Do this activity in a bond paper. No. of dry cells Volt...

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Q: Part A Monochromatic light falls on a slit that is 2.50x10-3 mm wide. If the angle between the first...

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Q: A potter's wheel is a horizontal disk with a moment of inertia of 0.85 kg m2 that rotates with a con...

A: Initial moment of inertia (I1)= 0.85 kg m² Initial angular velocity (w1)=  2 rad/s Mass of the dense...

Q: The height of the Washington Monument is measured to be 170 m on a day when the temperature is 35, 0...

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Q: N·s of a photon with a wavelength 6

A: We know that the formula of the photon momentum is given as  p =hλ where h is the Plank constant. = ...

Q: 3) If you try to insert a circular copper wire between two permanent magnets (see figure below), is ...

A: At the initial position, there is no magnetic flux within the loop. When the loop is placed between ...

Q: balloon with a diameter 20 m initially contains air at STP on a cool September morning. When the air...

A: Ideal gas equation is PV = nRT So P1 V1 /T1 = P2 V2 /T2

Q: A potter's wheel is a horizontal disk with a moment of inertia of 0.85 kg m2 that rotates with a con...

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Q: 3. How will you explain "the magnetic field is not unique at a point in space where magnetic lines m...

A: Magnet field is not unique at a point in space ***As per requirement i had answered the 3rd part****

Q: Hello! I need help with finishing my practice question, im currently stuck in this question: 1.) us...

A: Given that:- Slope=m=0.2315

Q: The current I drawn from the 5 volt source will be 102 102 50 202 www I 10Ω 5 yolt

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Q: 3) A bumper car with mass m, = 200 kg is moving at an initial velocity of v = 6 m/s to the right, as...

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for yo...

Q: 10. The progressive wave below is travelling to the right at a speed of 22 m s1. 20 cm 5 cm (a) Dete...

A: Consider the given data as below. Velocity, v=22 ms The length, l=20 cm The height of the wave, h=5 ...

Q: Starting from rest, two skaters push off against each other on ice where friction is negligible. One...

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Q: Block B, in the figure below, weighs 100 kg. The coefficient of friction (1) between Block B and the...

A: Given that:- Mass of block B =100kg

Q: The intensity of light below the surface of a clear lake depends on many factors. One model shows th...

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Q: An 80-kg man balances the boy on a teeter-totter as shown. Note: Ignore the weight of the board. Sol...

A: Given Mass of man = 80 kg Distance of man from fulcrum = 1 m Distance of boy from fulcrum = 4 m Beam...

Q: When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and o...

A: Given that, Temperature at inner surface (T in)=21.4° C Temperature at outer surface (T out)=17.1° C...

Q: Determine the currents through each resistor (I1, I2, and I3). JUNCTION R, = 10A R2=5A Ig V, = 9 V I...

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Estimate of calculation