Supose the frequencies u  ear can respond range over a factor of 103, from around 20 Hz to 20 kHz. Suppose the speedometer measured speeds differing by the same factor of 103, and the greatest speed it reads is 90.0 mph . What is  the slowest nonzero speed it could read, in  mi/h?

Q: A nuclear power plant draws 3.1×106 L/min of cooling water from the ocean. If the water is drawn in…

A: Write the given values with the suitable variables. Q=3.1×106 L/min=3.1×106×10-360 m3/s=51.67…

Q: 13) What is the value of resistor R in the circuit shown below? a) 20 b) 2 c) 4 d) 12 e) 10 I=3A 8-A…

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Q: A 2.68-kg rock is released from rest at a height of 23.6 m. Ignore air resistance and determine (a)…

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Q: Problem 1 To bodies A and B in the figure are separated by a spring. Their motion down the incline…

A: Take the mass of A=1600N and B=2400N Apply equilibrium for vertical forces; ∑Fy​=0 For A; NA​−1600…

Q: The 1400-kg mass of a car includes four tires, each of mass (including wheels) 33 kg and diameter…

A: Given Data: Mass of the car (M) = 1400 kg.Mass of the wheels (m) = 33 kg.Diameter of the wheels (d)…

Q: The mirror in my flash light is a paraboloid of revolution. If the mirror is 8 cm in diameter and 3…

A: Given Data: Diameter of the mirror (D) = 8 cm.Hence, radius (r) = 4 cm.Depth (d) = 3 cm. To…

Q: I need more explanation how you solved equation ii and iii?

A: Note: Only solution of eqns (i) and (ii) is provided. These eqns are picked from existing solutions.…

Q: Through how many revolutions did it turn in this time?

A:

Q: 3. A physical pendulum consists of a uniform solid disk of radius R supported in a vertical plane by…

A: The radius of the disk is R=2.35 cm. The distance of the pivot point from the center is d=1.75 cm.

Q: An instructor wishes to determine the wavelength of the light in a laser beam. To do so, he directs…

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Q: A spring with a force constant of 225 N/m is resting on a frictionless surface and mounted…

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Q: Some unpolarized light has an intensity of 1315 W/m2 before passing through three polarizing…

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Q: Learning Goal: To understand how to use conservation of angular momentum to solve problems involving…

A: The moment of inertia of the turnable It=0.151 kg.m2 The initial angular velocity of the turnable is…

Q: A piece of clear plastic is immersed in a fluid, which has an index of refraction of nfluid = 1.20.…

A: Given Data: Refractive index of fluid (nfluid) = 1.20.Critical angle (θc) = 58o. To Determine: The…

Q: A liquid of density 810 kg/m³ flows through a horizontal pipe that has a cross-sectional area of…

A:

Q: A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional…

A: Write the given values with the suitable variables. m=78 kgh=11.4 mu=0 m/sWf=-6×103 J Here, m, h, u,…

Q: Imagine the  time delay between the transmission and the arrival of the reflected wave of an…

A: The time delay between the transmission and the arrival of the reflected wave is 0.15 ms. The speed…

Q: 4. Tilted Case: As you gradually increase the angle of the ramp, the critical angle, 0c, is the…

A: Angle of ramp is at critical angle (θc) Block is now resting on the ramp at θc but not yet sliding.…

Q: A stick of length L oscillates as a physical pendulum. a) Derive an expression for the period as a…

A: Given that,  A uniform density stick of length L oscillates as a physical pendulum. It is pivoted a…

Q: Airport security checks use walk-through metal detectors that detect changes in magnetic field. If…

A:

Q: The figure shows, in cross section, two long parallel wires that are separated by distance d = 18.6…

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Q: (Figure 1) shows an object and its image formed by a thin lens. Assume that y = 2.75 mm and L = 30.5…

A: Given : Image distance (v) = 15 cm Then, object distance (u) = L - 15  => u = 30.5 - 15 = 15.5 cm…

Q: Using Biot-Savart law, solve the magnitude of the magnetic field at the center of a loop carrying a…

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Q: A 51.0-g golf ball is driven from the tee with an initial speed of 47.0 m/s and rises to a height of…

A: Given mass of golf ball = m = 51.0 g initial speed of ball = u = 47.0 m/s maximum height attained by…

Q: You are moving at a speed (2/3)c relative to Randy, and Randy shines a light toward you. At what…

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Q: A boat leaves a dock at 2:00 p.m., heading west at 15 km/h. Another boat heads south at 12 km/h and…

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Q: Two blocks of mass m1 = 0.4 kg and m2 = 2.6 kg are connected by a "massless" string over a…

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Q: rinciple of buoyancy was discovered by Archimedes, when King Hieron of Syracuse became suspicious…

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Q: Describe the type of radiation shielding which is required for a sealed source containing…

A: Radiation shielding is a vital safety measure used to protect individuals from the harmful effects…

Q: Part B Is this a concave or convex mirror? concave convex Part C Correct Remember that concave…

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Q: A stationary 2000 kg cannon fires a 25 kg cannon ball horizontally at 250 m/s. Find the velocity of…

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Q: Would different light sources that produce the same color all have the same peak wavelengths and…

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Q: A plane is flying at 185 km/h [E 45° S] relative to the air when the wind velocity is 45.0 km/h [E…

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Q: A wheel, starting from rest, rotates with a constant angular acceleration of 4.50 rad/s². During a…

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Q: A person consumes about 2200 Cal a day. 1 Cal=4186 J. and 1 kWh = 860 Cal. Part A What is this…

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Q: A hoop is rolling without slipping along a horizontal surface with a forward speed of 10.5 m/s when…

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Q: 15. A 1.00-kg mass is attached to the end of a 1.55-m-long rope and spun in a vertical circle at a…

A: Mass (m) = 1.00 kg  radius of the rope will be equal to it's length (r) = 1.55 m  Speed (v) = 6.67…

Q: Explain this formula

A: General form for the displacement of the wave function is    x=Asin(ωt) where,   A - Amplitudeω -…

Q: A 7.25 mm high pushpin sits upright in front of a converging lens at a distance of 25.4 cm. If the…

A:

Q: A 35 kg child sits on a Ferris wheel that has a diameter of 22 m. The wheel rotates 3.5 times per…

A: Child mass, m=35 kg Diameter, D=22 m Radius, R=D2=222=11 m Rotation is 3.5 times/minute.…

Q: 5. An electron of mass m and charge -e moves at a constant speed v along a circular path of radius r…

A:

Q: An Olympic bobsled goes 41 m in 2.6 s.  How fast was it travelling in m/s?

A: Distance, d = 41 m Time taken, t = 2.6 s

Q: 7. If the angle of 22 8. If light enters medium A at an angle of incidence of 32 degrees and…

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Q: A cylinder with cross-section area A floats with its long axis vertical in a liquid of density p.…

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Q: Ray tracing vs. local lighting: pros and cons?

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Q: An apartment has a living room whose dimension are 2.8m*3.9m*5.4m. Assume that the air in the room…

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Q: Water flows through a 2.9-cm-diameter hose 2.7 m/s. Part A How long, in minutes, will it take to…

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Q: 1. Consider the experimental setup shown below. The length of the string between the string vibrator…

A: L=1m μ=0.0065 kg/mm=6.00 kgn=6vs=343 m/s

Q: In the figure, two 5.90 kg blocks are connected by a massless string over a pulley of radius 1.40 cm…

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Q: Calculate the rotational inertia of a wheel that has a kinetic energy of 46.4 kJ when rotating at…

A: Write the given values with the suitable variables. K=46.4 kJ=46.4×103 Jω=267 rev/min=267×2π60…

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.