How much heat does a  50.0 g silver spoon (20.0 degree C) need to absorb to reach 89.0 degrees C when placed in a cup of 90.0 C degreee coffee?

Q: Alex is asked to move two boxes of books in contact with each other and resting on a frictionless…

A: a)as per newton's second law of motionFnet=maFp=mA+mBaa=FpmA+mB =9.3 12.1+7 =0.487 m/s2

Q: Part A A box of mass 10 kg slides along a frictionless surface with a velocity of v= 5.0 m/s and…

A: GIVEN Mass of the box = 10 kg Velocity = 5 m/s Spring constant k = 900 N/m To find out How far the…

Q: (d) the beginning and (e) the end of this time interval? Only need help with D E part of problem

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Q: (d) Determine the amplitude of the electric field and magnetic field in these microwaves. Emax kv/m…

A: Given data: frequency f = 13.0 GHz time t = 1.00 ns radius r = 7.50 cm average power Pavg = 20.0 kW…

Q: A dry air parcel the temperature at which is 5 degrees C at the Earth's surface, is liften…

A: Given:Temperature of air parcel at Earth's surface: Ti=5°C=278 KFinal height of air parcel: hf=4.5…

Q: An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by…

A: Given : Area = A = 7.60 cm2 = 7.60 x 10-4 m2   [ as 1 cm2 = 10-4 m2  ] Distance between plates = d =…

Q: Protons having a kinetic energy of 4.10 MeV are moving in the positive x-direction and enter a…

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Q: A +2.50 µC point charge is at the center of a thin spherical shell of radius 0.100 m that has a…

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Q: Resistors that are located along different horizontal or vertical placements are not necessarily…

A: In circuit A, 1k,3k and 4k ohm are connected in series and 2k ohm is connected in parallel. In…

Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

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Q: Part A You are standing on the surface of the Sun (wear your sunscreen!). If you want to launch a…

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Q: An undamped 2.10 kg horizontal spring oscillator has a spring constant of 28.9 N/m. While…

A: Given : Mass of the block (m) = 2.10 kg Spring constant of spring (k) = 28.9 N/m  Speed of block…

Q: The mass of the block 1 is m1= 2.8 kg, while the mass of block 2 is m2= 7.5kg. The coefficient of…

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Q: 3. A spring is attached to the bottom of an empty swimming pool, with the axis of the spring…

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Q: When viewed in a spherical mirror, the image of a setting sun is a virtual image. The image lies 11…

A: The mirror formula is given by 1v+1u =1f u = object distance v = image distance f = focal length…

Q: There is a 11.3pC point charge. What is the magnitude of the electric field (in N/C) 64.8mm away…

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Q: what is Vb?

A: let in starting the volume of argon gas be V,temperature is given as ,T=300 kand number of moles be,…

Q: A log floats in a river with one-fourth of its volume above the water. (a) What is the density of…

A: GIVEN           A log floats in a river with one-fourth of its volume above water.

Q: How do photons compare to electrons? What's different? Photons massless? Are they charged? Can they…

A: We need to find how do photons compare to the electrons. What is the difference between them, is…

Q: Your task is to catch a 2.0 kg water balloon that is moving toward you at a velocity of 35 m/s. You…

A: To determine which method is the safest, we need to calculate the impulse and momentum of the water…

Q: A young jedi knight applies a force of -34N2 + 14Nŷ through a displacement of -12mx - 4.5my over a…

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Q: Light with a wavelength of 500 nm is incident on a single slit. A screen used to see the diffraction…

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Q: If the air pressure remained the same and the air temperature was 70 °F, what is the density of the…

A: Given,Temperature , T = 70 ° F  =294.261 KPressure = Patm = 1 atm Density =  PRT , R is gas constant…

Q: A baseball bat balances 76.1 cm from one end. If a 0.500 kg glove is attached to that end, the…

A: Given data; The mass of the glove is m = 0.500 kg The distance of the balance point is x = 0.267 m…

Q: A positive charge is being pushed by a 4.19N/C field with a force of 20.43N. What is the value of…

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Q: A uniform solid sphere of mass M and radius R is rolling without sliding along a level plane with a…

A: a) Apply the enegry conservation equation and substitute the corresponding values to calculate the…

Q: In the figure, block 1 of mass m₁ slides from rest along a frictionless ramp from height h= 2 m and…

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Q: A ball is released from rest at the left of the metal track shown. Assume it has only enough…

A: EXPLANATION         since the ball has started from rest at the left (i.e at point A) so initially…

Q: From right to left, charges q₁= 3.9 nC and q2= 5.8 nC are separated by a distance of 15 m…

A: The magnitude of the charges are 3.92 nC and 5.8 nC. The separation between two charges is 15 m.…

Q: Review Conceptual Example 4 as background for this problem. A man in a boat is looking straight down…

A: Write the relationship between the actual distance and apparent distance. dapp=dactn Here, n is the…

Q: A student constructs a 380 turn air-filled solenoid of radius 3.5 cm and length 18 cm. a. Determine…

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Q: x = (0.17 m) sin(s)t. Say everything you can about this motion and represent it using graphs, motion…

A: Given equation: x=(0.17m)sin(πs-1)t Here x is the displacement of the cart, t is the time elapsed…

Q: 1. A pair of slits, separated by 0.150 mm, are illuminated by light with a wavelength of 643 nm. An…

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Q: 4. A 2-kilogram block is dropped from a height of 0.45 meter above an uncompressed spring, as shown…

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Q: How much work is required to lift a 500-kg satellite to an altitude of 3⋅10^6 m above the surface of…

A: Given: The mass of the satellite, m = 500 kg The mass of the Earth, M = 6×1024 kg The radius of the…

Q: TCS g to another question will save this response. Gauss' Law for Electrostatics Coulomb's Law…

A: Gauss' Law for Electrostatics can be derived from Coulomb's Law. Coulomb's Law states that the…

Q: You hang different masses M from the lower end of a vertical spring and measure the period T for…

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Q: 3. A 100. kg skier starts at the top of a 300. m double-black diamond slope. How much energy was…

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Q: A -6.7 micro coulombs charge is 5.55mm away from a 32.4 micro coulomb point charge. What is the…

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Q: OK, yet another strange awakening in a room with no windows. This time you drop a ball from a height…

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Q: A -93.1C charge is in a 45296N/C electric field. What is the magnitude of the force (in N) on this…

A: Given Electric field, E=45296N/C Charge, q= -93.1C   To determine the magnitude of the force (in N)…

Q: Question 4 HE'S CIN A wire in the shape of an "M" lies in the plane of the paper as shown in the…

A: 4) Force on a wire of length L carrying current I is   F= IL×B = ILB sinθ,  where, θ is the angle…

Q: A man uses a rope and a system of pulleys to raise a 200-lb box to a height of 10 ft. He exerts a…

A: Solution: Given: F1 = weight of box = 200 lb s1 = height through which box is lifted = 10 ft F2 =…

Q: In an electron microscope, there is an electron gun that contains two charged metallic plates 2.40…

A: (a) 3.466 x 10-16 J. (b) 1.444 x 10-14 N. (c) 1.587 x 1016 m / s2. (d) 1.739 x 10-9 s.

Q: A wire is stretched between two posts. Another wire is stretched between two posts that are twice as…

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Q: While driving along a country lane with a constant speed of 17 m/s, you encounter a dip in the road.…

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Q: A charged particle of 4.6 µC (micro-Coulomb) is placed on the x-axis. At which position (s) along…

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Q: Find the altitude above the Earth's surface where a satellite orbits with a period of one day.

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Q: OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in…

A: Solution: We can use the equation of motion for an object in free fall to solve for the acceleration…

Q: a. A ball is dropped from the top of the building. Since the ball speeds up as it falls, the linear…

A: a.  According to the law of conservation of momentum, the total linear momentum of a closed system…