You drop 354 grams of iron at an initial temperature of 86 degress C into 603 grams of 5 degrees C water and wait for them to achieve thermal equilibrium. What is the final temperature of the water? ROUND YOUR ANSWER TO THE NEAREST WHOLE NUMBER

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A: wave speed V=f λ here V = Wave speed = constant f = frequency λ = wave length initial wavelength =…

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A: When the two cpapcitors are connected in parallel combination, the equivalent capaciatnce is give by…

Q: *37.25. Tell It to the Judge. (a) How fast must you be spproach- ing a red traffic light (A = 675…

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Q: At what distance from a point charge of 9.9 μC would the electric potential by 1.8 x 104V? 1.56 m…

A: Given: The point charge  is 9.9 μC. The electric potential is 1.8x104 V.

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Q: Human nerve cells have a net negative charge and the material in the interior of the cell is agood…

A: Given data: Net charge, Qenclosed=-8.65 pC =-8.65×10-12 C

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A: mass of beam (m) = 1400 kg Let the tension in rope 1 = T1Let the tension in rope 2 = T2θ1 = 20oθ2 =…

Q: Which of the following statements is false? a. The work done by a conservative force is always zero…

A: Here from all four option → option (b) is false. Explanation:  1.Work is a displacement of any…

Q: A horizontal force of 250 N is enforced to 71 kg container on a level floor. The coefficient of…

A: Given F=250 N (applied force) m=71 Kg (mass of container) N=mg=71×9.8=69.58 N (normal reaction…

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Q: 20. A ray of light in the air hits a block of transparent material at an incident angle 0f 62°. The…

A: A ray of light in the air hits a block of transparent material at an incident angle of 62°. The…

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A: Given:- The distance traveled by the object is s= 10 m  The time to travel this distance is t = 5…

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A: (a) Principal planes are hypothetical planes. They have no physical existence: they are a…

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Q: A spacecraft is traveling at almost the speed of light towards Alpha Proxima, the closest star…

A: A spacecraft is traveling at almost the speed of light towards Alpha Proxima, the closest star…

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Q: Q4. Find the third angle and the three components of the following Forces: F₁ = 400N, = 30°,0 = 50°…

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A: Given: Initial velocity of ball is u=6 m/s Ball is thrown downward. Find: (a) Velocity of ball at…

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Q: A 0.26 F and a 0.68 F capacitor are connected in series to a 15 V battery. Part A Calculate the…

A: C1 = 0.26 μF C2 = 0.68 μF V = 15 V PART A : Because the capacitors are connected in series, the…

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Q: velocity of light is 3 x 108 m/s. How long does it take light to reach the earth from the star which…

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Q: Suppose you are working for the military to spy on a someone. You want to be able to take pictures…

A: To resolve objects of 10cm size using visible light,we can follow rayleigh criteria which says…

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Q: block a has a mass of 1.0kg and block b has mass of 2kg. the blocks are forced together, compressing…

A: Given , Mass of block A MA=1.0 kg Mass of block B MB =2.0 kg Velocity of block B VB =0.5 m/s Let ,…

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A: The mass of the roller coaster is 850 kg. The speed of the car at point A is 3 m/s. The radius of…

Q: A 2.0 kg box is sliding along a frictionless horizontal surface with a speed of 1.8 m/s when it…

A: a) Initial KE of box = m v^2 / 2            = (2×(1.8)^2 )/ 2  = 3.24 J Potential energy = (kx^2)/2…

Q: How do the three primary colors—red, green, and blue—get produced on a cathode ray tube screen

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Q: A cat's meow has a sound intensity level of 45 dB at 0.8 meters. Calculate the maximum distance you…

A: Given data: Given distance: r1=0.8 m Sound intensity at distance r1: β1=45 dB a: Background noise…

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Q: In fair weather, the electric field in the air at a particular location immediately above the…

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A: Given Charges are given as q1=1.0 nC=1.0×10-9 C, q2=-2. nC=-2.0×10-9 C and q3=-2.0 nC=-2.0×10-9 C…

Q: A string vibrates at its fifth-harmonic frequency as it makes a standing wave. The amplitude at a…

A: The frequency of a standing wave on a string is determined by the length of the string and the…

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Q: As shown in the figure below, two long parallel wires (1 and 2) carry currents of I₁ = 3.02 A and I₂…

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A: Given: An biplane is flying horizontally at a speec of 35.0 m/s Height (h) = 155 m Positive…

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Q: A 145 g baseball traveling directly to the left at a speed of 32 m/s reverses its direction of…

A: Given data: Mass of the baseball m=145 g      =0.145 kg Initial speed is v0=32 m/s Its direction is…

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Q: An electromagnet works because A) each atom has moving charge (orbiting electrons) - and moving…

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Q: The electric motor of a model train accelerates the train from rest to 0.520 m/s in 31.0 ms. The…

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Q: A basketball player jumps straight up for a ball. To do this, he lowers his body 0.330 m and then…

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