How fast, in rpm, would a 129 g, 44.0 cm diameter beach ball have to spin to have an angular momentum of 0.115 kg*m2/s?

Q: What was the frequency of her violin when she heard the 4.00 Hz beat? To get her violin perfectly…

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Q: An electron is accelerated from rest through a potential difference of 3.00 kV. What is its final…

A: Given data:  Initial velocity (u) = 0 m/s Potential difference (ΔV) = 3.00 kV Mass (m) = 9.109×10-31…

Q: A charge of +q is placed somewhere inside the regular (all sides equal) tetrahedral pyramid below.…

A: According to the Gauss law, the total flux associated with a closed surface equals 1 ε0 times the…

Q: An electron in its ground state is trapped in the one-dimensional Coulomb potential energy. What is…

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Q: a. State what is meant by monochromatic rays? b. Monochromatic light falling on two slits D/100 mm…

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

Q: 6. a. What is the direction of the magnetic force on a negative charge that moves as shown in each…

A: 6a. It is given that the charge is negative and asked for the direction of the magnetic force in…

Q: Explain why a sound wave has a higher frequency when the source is approaching a stationary…

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Q: 5. A bottle of water has a hole in it, 0.2 meters below the water level. The pressure of the water…

A: (a) Pressure of water at 0.2 m below surface = P = Patm + hdg P = 1.013*105 N/m2 + 0.2*1000*9.8 P =…

Q: A 1,000 lbs block is pulled up a 2 degree incline by a cable exerting a constant force F of 600 lbs.…

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Q: Shown below are the results from 6 trials. For each trial the total momentum (and its u overlap,…

A: For law of conservation of linear momentum hold true initial momentum must be equal to final…

Q: What are the (a) x and (b) y components of the vector that must be added to the following three…

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Q: A friend of yours is loudly singing a single note at 393 Hz while racing toward you at 26.7 m/s on a…

A: Given,  A friend of yours is loudly singing a single note at 393 Hz while racing toward you at 26.7…

Q: For a fifth set of maneuvers, the astronaut’s partner calculated her average acceleration over the 2…

A: Given data:  Time interval (Δt) = 2 s Initial velocity (v1x) = -0.4 m/s Acceleration (ax) = -0.5…

Q: A ladybug of mass m crawls with constant speed v1 (relative to the wheel) along a radial spoke of a…

A: Given: ladybug speed, v1 radius of wheel , R acceleration of bicycle, a0 speed of bicycle, v2 To…

Q: As for followup please answer (D)

A: (D) Just by observation, we can see that for the segment D of the position vs time graph, there is…

Q: A motorcyclist moves at a speed of 0.8C and turns on a light that moves away from him at a speed c…

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Q: Problem 3: When laser light is passed through two narrow slits separated by 148 µm, an interference…

A: Given,  Two narrow slits separated by = 148 micrometers Distance of screen = 1.68 m Distance between…

Q: Sound intensity level B = (10 dB) log10 (1 /m²) I 10-12 W/m² Doppler effect: source approaching…

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Q: A 22 g string is under 23 N of tension. A pulse travels the length of the string in 56 ms. Part A…

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Q: Given the quantities a = 4.6 m, b = 4.4s, c = 75 m/s, what is the value of the quantity d = -? cb²

A: The study of the relationship between physical quantities with the help of dimensions and units of…

Q: Alloys of gold are rated in karats, a dimensionless unit that is used to indicate the proportion of…

A: Given data:  Density of gold (ρ) = 19.3×103 kg/m3 Weight (W) = 1.83 N Required: The volume (V)

Q: Part A What capacitance, in F, has its potential difference increasing at 1.3x106 V/s when the…

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Q: Part A Projectile Motion: A boy throws a rock with an initial velocity of 3.13 m/s at 30.0° above…

A: Given  Angle of projectile,  θ = 30° Initial velocity,  u = 3.13 m/s  Acceleration due to gravity,…

Q: Please refer again to Figure 2. This time, the incident ray is coming in from water (n=1.33) rather…

A: Given data: The angle θ=56.5° y = 27.7 cm h = 1.62 cm n1 = 1.33 The glass(n2) = 1.5

Q: If an emmetrope has an accomodation of 3D, what is the persons focal point?

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Q: Gravitational Potential Energy: A stone s held at a height h above the ground. A second stone with…

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Q: 3. A constant force of 20.0 N is applied to an object of mass 8.00 kg at an angle of 25.0° with the…

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Q: In the circuit, the potential difference across the battery is 18 V. V1 is 7.0 V and R2 = 30.0 Ω. a)…

A: Given data:  Two resistors are connected in series combination Battery voltage (V) = 18 V V1 = 7.0 V…

Q: 5. Two resistors are connected in series, R₁ =BQ and R₂-D2 to a battery of 12 V. a. what is the…

A: Given R1 = 70 ohm R2 = 7 ohm Voltage across terminal of battery = 12 V We have to calculate the a.…

Q: 1. a). A ray of light enters three blocks (A, B, & C) of varied materials and refracts as shown…

A: Snell's Law, with i and r being the incident and refracted angles is n1 sin i = n2 sin r…

Q: A Near-sighted person cannot see distantly objects beyond 80 cm. What is the power  in the dioptres…

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Q: Sam throws a 0.72kg rock off the edge of a 15m tall building at an angle of 35∘ from the horizontal.…

A: Gravitationa potential energy is given by mgh Givenm=0.72 kgh=15 mg=9.81 m/s2

Q: Calculate the resultant (i) v1 - v2 - v3 and (ii) v2 + v1 – v3  when v1 = 80 N at 55 o v2 = 90 N at…

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Q: • How long is this pipe? • If one end is now closed, find the wavelength of the new fundamental. •…

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Q: 4. Two converging lenses, both of focal length C cm, are separated by 60.0 cm. An object is placed…

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Q: A mama racoon uses an old spring as a baby cradle. She places her 1.0-kg baby on a spring with a…

A: Given data:  Mass (m) = 1.0 kg Spring constant (k) = 8 N/m Amplitude (A) = 0.25 m Required: The…

Q: A balloon, initially neutral, is rubbed on someone's hair until it acquires a net charge of -0.40nC.…

A: Given data:  Initially balloon is neutral Charge on balloon after rubbing (q) = -0.40 nC The charge…

Q: The universal part of Newton's law of universal gravitation is a common source of conusion. The…

A: To state what the "universal" part of the Newton's law of universal gravitation means.

Q: An ideal gas is confined to a container at a temperature of 360 K.

A: Given that,  The temperature of an ideal gas, T=360 K The average kinetic energy of an atom of the…

Q: How do you find the magnitude of buoyant force on an object dropped into a fluid given both the…

A: Required :  What fraction of the object is submerged?

Q: The pressure exerted by a phonograph needle on a record is surprisingly large. If the equivalent of…

A: Given data:  Mass (m) = 1.40 g = 1.40×10-3 kg Radius of circular tip (r) = 0.220 mm Required: The…

Q: A uniform ruler of mass (200g) rotates with an angular velocity of 3 rads/s about a perpendicular…

A: Given data:  Mass (m) = 200 g = 0.200 kg Length (L) = 1 m Angular velocity (ω) = 3 rad/s Momentum of…

Q: A 4.0 kg box is thrown at 6 m/s. What is the box's momentum?

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Q: A fisherman spots a fish underneath the water. It appears that the fish is d0 = 0.51 m under the…

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Q: When a car starts suddenly, the front of the car rises to the top, explain this.

A: When we start the car, it accelerates fast that its center of gravity moves to the rear wheel. When…

Q: How much total heat transfer is necessary to lower the temperature of 0.215 kg0.215 kg of steam from…

A: Given that Mass of the steam is (m) =0.215kg Initial temperature is (Ti) =133.5oC Final temperature…

Q: Two metal plates are separated by 6 inches with a potential difference of 0.30 kV. What is the…

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Q: Graphical Addition: Consider two vectors A and B shown in the figure. The difference B - A is best…

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Q: A 23.0-m-long bar of steel expands due to a temperature increase. A 12.0-m-long bar of copper also…

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Q: A light beam reflects from the surface of a mirror with an incident angle of 21 degrees from the…

A: From the given diagram, i = 21o (given)

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.