A lightweight object and a very heavy object are given a push and are sliding with equal speeds along a level frictionless surface.  They both slide up the same frictionless hill.  Which rises to a greater height?

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A: Given Angular displacement of the tires is θ=85.0 rev=(85.0×2π) rad=534.07 rad Initial speed is…

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Q: ladder of length 2L and mass M is positioned on level ground leaning against a wall such that the…

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Q: 2. In a gravity escape system (GES), an enclosed lifeboat on a large ship is deployed by letting it…

A: Given data, Height h=2.5 m Mass m=4970 kg

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Q: If an X-ray beam of wavelength 1.4*10-10 m makes an angle of 20 degrees with a set of planes in a…

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Q: Cart 1 of mass m = 0.50kg fastened to a spring of spring constant k = 14N/m is pushed 15 mm in from…

A: Given: The mass of cart 1: m1=0.50 kg the spring constant: k=14 N/m Initial displacement: x=15…

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Q: Two window washers, Bob and Joe, are on a 3.00-m-long, 315-N scaffold supported by two cables…

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Q: 2. A hiker walking 10km west then 25km south. 3. A car driven 250km south then 150km west. [SCALE:…

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Q: Astronomers using a 2.0-m-diameter telescope observe a distant supernova-an exploding star. The…

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Q: A partly-full paint can has 0.515 U.S. gallons of paint left in it. (a) What is the volume of the…

A: We know ,  1 US Gallons = 3.78 * 10-3 m³ =>  0.515 US Gallons = 0.515 * 3.78 * 10-3 m³…

Q: A beam resting on two pivots has a length of L = 6.00 m and mass M = 77.0 kg. The pivot under the…

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Q: A carbon nucleus and an iron nucleus are initially located 5.02 nm apart from one another. How much…

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Q: e A 18.2 kg block is released from rest on a 37.9 incline. It takes 3.55 seconds to slide 1.1 meters…

A: Given that Mass of the block is (m) =18.2kg Inclination of the ramp is (θ) =37.9o Length of the ramp…

Q: A penguin slides at a constant velocity of 3.90 m/s down an icy incline. The incline slopes above…

A: Friction  f = uN = umg cos th   Sum of forces = 0 since a = 0 as speed is constant => mg sin th -…

Q: 1. A student wanted to find the density of an object of unknown composition with a volume of 5.50…

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Q: A 10.4 cm tall object is placed 4.8 cm in front of a concave lens. The image is 3.0 cm from the…

A: Write the expression for the magnification and substitute the required values. m=−vum=−3 cm−4.8…

Q: An oil film with refractive index 1.48 and thickness 290 nm is floating on water and illuminated…

A: Given, Refractive index, k = 1.48 Thickness, t = 290 nm = 290 x 10-9 m

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A: Atmospheric pressure = 101300 Pa density = 1340 kg m-3

Q: A rectangular swimming pool is 20m long and 10m wide and full of water. The bottom of the pool…

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Q: A light, rigid rod of length  ℓ = 1.00 m  joins two particles, with masses  m1 = 4.00 kg  and  m2…

A: Givenl=1 mm1=4 kgm2=3 kgv=4.20 m/sd=10.5 cmRoute to solution:-angular momentum, L=Iωwhere I is…

Q: Evaluate the cross product A×B if A = 27, B = 85 and θ = 101°. Evaluate the cross product C×D if C…

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Q: A 4.10-kg box of books is lifted vertically from rest a distance of 1.60 m with a constant, upward…

A: Given data:  Mass (m) = 4.10 kg Height (h) = Δy = 1.60 m Upward applied force (Fapp) = 52.7 N…

Q: A mass is on an inclined plane with a length of 4 m and an angle of 30 degrees; the friction…

A: Draw the free-body diagram of the mass.

Q: There is an electron moving in a circle around a stationary proton, if the proton is not radiating…

A: Given thatelectron is moving in a circle around a stationary proton.Important thing that will be…

Q: Review Example 12 before attempting this problem. A marble and a cube are placed at the top of a…

A: Answer is1.183  dimensionlessGivencube and marble, both started from rest at the top of ramp.

Q: How much power in Watts is required to lift a 75.0kg mass through a height of 1.85m in a time of…

A: Given data:  Mass (m) = 75.0 kg Height (h) = 1.85 m Time (t) = 3.00 s Required: The power (P)

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: Choose a point in the first quadrant, and give three different rectangular representations for that…

A: The point in the polar coordinates is given by ( 2, π/3 ). Let the angle be A. ( r , A) = ( 2, π/3)…

Q: The near point of a farsighted person is 100 cm. She places reading glasses very close to her eyes…

A: Given,  p = 25 cm q = -100 cm

Q: PRACTICE IT Use the worked example above to help you solve this problem. In this example, we show…

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Q: An ideal gas is taken through a Carnot cycle. The isothermal expansion occurs at 300°C, and the…

A: Source temperature(T1) =300 degree celcius=300+273=573 kelvin Sink temperature (T2 ) =50 degree…

Q: 1. A solid cylinder, hollow cylinder, and a box, all of equal mass, are released simultaneously from…

A: 1) The box will reach the last because it will suffer a lot of friction since it will slide instead…

Q: The work required to deflect a typical AFM cantilever by 0.10 nm is 1.2 * 10-20 J. (a) What is the…

A: Given data:  Comparison in spring (x) = 0.10 nm = 0.10×10-9 m Work done (W) = 1.2×10-20 J Required:…

Q: Evaluate the cross product A×B if A = 39, B = 59 and θ = 43°. Evaluate the cross product C×D if C =…

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Q: An inclined plane has an angle of inclination of 20o from the horizontal. What time will it take for…

A: θ = 20 degree distance (d) = 1.5 m

Q: A tow truck finally arrives to relieve Granny. Once the car (m = 1600 kg) was hitched up, it was…

A: Given data:  Mass (m) = 1600 kg Initial velocity (u) = 0 m/s Final velocity (v) = 25 m/s Distance…

Q: What does the EM spectrum tells you?

A: EM spectrum -   electromagnetic spectrum . The EM spectrum is the means by which our universe…

Q: A 297-gram ball is thrown at a speed of 43.9 m/s from the top of a 41.1-m high cliff. Determine the…

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Q: Suppose you throw a rubber ball at an elephant that is charging directly at you (not a good idea).…

A: Let m1 = Mass of the ballm2 = Mass of elephantu1 = initial velocity of the ball before collisionu2 =…