A light wave has a frequencey of 8.9 X 1010 Hz. What is the wavelength (in meters) of this light?

Q: A hollow ball with a diameter of 3.76 cm has an average density of 0.0835 g/cm³ What force must be…

A: diameter = 3.76 cmradius = 3.76 cm2r = 1.88 cm density of ball = 0.0835 gcm3= 83.5 kgm3

Q: A 1 kg cylinder rests on a spring k = 100 N/m. A force of 90N is applied from an equilibrium…

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Q: The displacement of an oscillating mass is given by x(t) = 10 cos( 4 t). At time t = 2n s, what is…

A: Given,  Displacement of an oscillating mass - x(t) =10 cos (4t) We need to find, Acceleration of…

Q: How many changes of state are shown in this heating graph? Temperature °C A a. 4 b. 1 c. 2 d. 3 B C…

A: Given data: The heating graph Required: The number of changes of state

Q: A torque of 79.5 N m is applied to a solid, uniform disk of radius 66.2 cm. The disk accelerates at…

A: Write the expression for the moment of inertia of the disk. I=12mr2

Q: Given that the height from the ground for Point A and C are the same, and the vertical velocity Vy…

A: Given data:  A projectile motion Height from ground for point A and C is same Vertical velocity at…

Q: Could a wave motion be set up in which the parts of the medium vibrate with angular simple harmonic…

A: Absolutely. One simple way to do this is to get a length of surgical tubing—the stuff they use to…

Q: The moon circles the earth once every 27.3 days. We have already determined that the mass of the…

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Q: Particle of mass 9×10-31 kg and a negative charge of 1.6x10-19 C is projected horizontally with a…

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Q: A goat stands on a merry-go-round that is rotating at 5.3 rad/s. If the coefficient of static…

A: Given data The angular speed of the merry-go-round is given as ω=5.3 rad/s. The coefficient of…

Q: A uniform plank rests on a level surface as shown below. The plank has a mass of 34 kg and is 6.0 m…

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Q: the canon on a battleship can fire a shell a maximum distance of 48.5 km. (a-c) The cannon on a…

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Q: 1.Object 1 has a mass m1 and a velocity v1 = (2.80 m/s)x. Object 2 has a mass m2 and a velocity v2 =…

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Q: Which of the following will experience the largest amount of air resistance? a. a piece of paper…

A: 7. Option : b is correctAs air resistance will certainly depend upon the cross section area…

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g…

A: Given data:  Centripetal acceleration (ac) = 88.2 m/s2  Radius (r) = 5.17 m Required: The angular…

Q: A traveling wave is described by the equation x.t-1.2 cm sin 227 0.3 where x is in meters and it is…

A: Given, A travelling wave is described by the equation x,t =1.2cm sin2πx2.7+t0.3; where x is in…

Q: 1. The U-tube in the figure contains two liquids in static equilibrium: Water of density pw 998…

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Q: What is the approximate cost of operating a 80 W light bulb for 3.0 h per day for 2 weeks, if…

A: Q9. The given data we have Rating of the bulb: 80W Total time the bulb was operated: 3.0h per day…

Q: What is the focal length of this lens with power of 2.50 diopters and the diameter is 5.0 cm O 25 cm…

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Q: The space bus is 2.0 km long in its own frame and moves towards planet earth at a speed of 0.6c. Jim…

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Q: If 200 cm3 of tea at 95°C is poured into a 150-g glass cup initially at 25°C, what will be the…

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Q: 19 The diagram shows objects of mass 3 kg and 2 kg on connected smooth planes inclined at angles of…

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Q: A frictionless table has a mass m on it. The table has a hole in it, where mass m is connected to a…

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Q: When light of wavelength 150 nm falls on a potassium surface, electrons having a maximum kinetic…

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Q: What is the net torque about the axle?

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Q: A runner can burn as many as 3,000 calories while running a marathon. Estimate the change in the…

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Q: 8.5 kg crate is hung from the ceiling by two wires. Each wire makes an angle of 85° with the…

A: Given data:  Mass (m) = 8.5 kg Angle with ceiling (θ) = 85° Required: The tension in one of the…

Q: A cyclist travels from point A to point B in 10 mm. During the first 2.0 mm of her trip, she…

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Q: Question 2: You want to store energy inside a container that has an ideal gas. The amount of moles…

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Q: Many hot-water heating systems have a reservoir tank connected directly to the pipeline, so as to…

A: Givenchange in volume is given as   ∆V=βV0∆Twhere V0 is initial volumeβ is coefficient of volume…

Q: At an intersection of hospital hallways, a convex spherical mirror is mounted high on a wall to help…

A: Sign convention for distances and height in convex mirror: Distances along the principal axis is…

Q: The drawing shows a cylinder fitted with a piston that has a mass m₁ of 0.850 kg and a radius of…

A: The given data we have: Mass 1: 0.850 kg Mass 2: 5.30 kg Radius of the cylinder: 2.50×10-2m…

Q: A sodium light, having wavelength 589.3 nm, is used to view a soap film to make it look black when…

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Q: Many hot-water heating systems have a reservoir tank connected directly to the pipeline, so as to…

A: Write the given values with the suitable variables. L=66.6 mr=8.26×10-3 mT1=20.8 °CT2=67.3 °C Here,…

Q: A 41.5kg stone is dropped from the top of a building. It takes 7.5s for the stone to hit the ground.…

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Q: A 18.24 meter tall object is placed 21.38 meters from a truck mirror.  If an image is formed -2.71…

A: Given that Height of the object is (ho) =18.24m The object is placed at a distance of (u) =21.38m…

Q: A meat baster consists of a squeeze bulb attached to a plastic tube. When the bulb is squeezed and…

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Q: A rocket burns in 2 stages. In stage 1, .35mo is burned. It then releases the first stage tank (of…

A: Given  A rocket burns in 2 stages. In stage  1 mass burned m1 = 0.35 mo  Then releases the first…

Q: An 80.0-m-long, 2.10-mm-diameter copper wire is stretched between two poles. A bird lands at  the…

A: givenL=80 md=2.10 mm⇒r=1.05 mmt=0.750 sas density of copper,ρ=8.9×103 kg/m3also as ρ=mV⇒mass, m=ρV…

Q: illuminates these slits, and the distance between the slit and the screen is 2.00 m. What is the…

A: Distance between slits = d = 1.5 * 10-5 m Wave length = 600 n m Distance between slits to screen = R…

Q: a) Sketch a plausible velocity-time graph from the displacement-time graph below Displacement (0,0)…

A: Velocity is the rate of change of displacement.

Q: m il- R

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Q: Find the activity of a certain material after 3.4 weeks if it has a half life of approximately 326…

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Q: 7. Compare and contrast the dynamics of a cyclist riding along a velodrome track at a constant…

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Q: Karlus is riding his scooter, and they have a combined mass of 70. At x-0 he has a velocity of 2 and…

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Q: 1. A circular coil consists of 500 turns of wire. It has a radius of 20 cm and a uniform magnetic…

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Q: The moon's diameter is 3.48 × 106 m, and its mean distance from the earth is 3.85 × 108 m. The moon…

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Q: with a gravitational force of magnitude 1.00 x 10" N when separated by 19.6 cm. If the total mass of…

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Q: From the choices below, choose the surface that could produce this force. Multiple Choice:

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Q: = 150 kW of power. Problem 2: The radar system at an airport broadcasts 11 GHz microwaves with Pem…

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