O 0.2 N O 0.3 N O 0.1 N O 0.4 N

Q: How much heat is needed to melt 28.20 kg of silver that is initially at 21 ∘C?

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Q: A capacitor is made up of two long coaxial cylindrical conductors separated by a vaccum. If the…

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Q: The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 6.3…

A: Initial speed of skateboarder = 6.3ft/s Value of g=32.174ft/s2 Here no nonconservative force are…

Q: Let: vector L = 3.0 m, 45º Southeast vector M = 4.0 m, 60º Northwest. vector N = 2(vector L) –…

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Q: Find the momentum A car that has a mass of 1500 kg and a velocity of 17-0 m/s ?

A: Mass of the car is (m)= 1500 kg Velocity of the car (v)= 17 m/s

Q: Calculate the dot product of the vectors F = -i + 3j - 6k ; G = 7i - 5j + k. a. 28 b. -28 c. 30 d.…

A: Answer:- (b) - 28  Given  F = -i + 3 j - 6k G = 7i - 5j + k  We know that  (i.i = j.j = k.k = 1) and…

Q: When a ball with a mass of 50 g is thrown into the air at a speed of 16 m/s by forming an angle of…

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Q: A cylinder with moment of inertia I, rotates with angular velocity w, about a frictionless vertical…

A: The angular moment of the system before, i.e when upper cylinder is at rest                      Jb…

Q: A cylindrical tank has a tight-fitting piston that allows the volume of the tank to be changed. The…

A: Given : V1 = 0.110 m3 P1 = 0.355 atm V2 = 0.390 m3

Q: A piece of putty of mass m = 0.75 kg and velocity v = 2.5 mls moves on a horizontal frictionless…

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Q: -2 65° 40° Leftcord Right cord Conter cord O 1.6N (cos 115°) O 1.6N (sin 115°) O 1.6N (sin 65°) O…

A: Given: The tension in the left card is 1.6 N. The free-body diagram is given below.

Q: A circular wire of radius a, resistance R and capacitance C is placed in a region of uniform…

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Q: (a) Calculate the angular momentum of Earth that arises from its spinning motion on its axis,…

A: We have to apply angular momentum concept here

Q: A Christmas light hangs on a series of strings as shown in the figure 1. The tension on string a ,…

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Q: The amount of work done due to carrying a q=+4μCq=+4μC charge from point AA to point BB is equal to…

A: Given The charge is given as q=+4 μC=+4×10-6 C Work done is W=100 μJ=100×10-6 J   We have to find…

Q: A 25.0-kg box of textbooks rests on a ramp that makes an angle with the horizontal. The coefficient…

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Q: 2. The value of 10.0 °C on the Kelvin scale is: A) 346.15 B) 283.15 C) 400.0 D) 373.15 D) None

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Q: A light beam strikes a piece of glass with an incident angle of 45.00. The beam contains two colors:…

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Q: In Lab 8, Ohm's Law, a student measures the below values of voltage V and current I. First convert…

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Q: A 39 g metal ball is heated with 2844 J of energy. The specific heat of the metal ball is 0.35…

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Q: e acceleration of an 1300 kg of car when it move by the force of 6500N?

A: We know that the newton's second law of motion is given as  F= ma  where m is the mass of the car  a…

Q: A rotating wheel requires 6.00 s to rotate 25.0 revolutions. Its angular velocity at the end of the…

A: No of revolution = 25 Angular velocity after 6s = 96rad/s Time =6s Total distance cover in 6s =…

Q: It is the ratio of the ultimate stress to allowable stress. poisson's ratio. O shear modulus modulus…

A: Poisson's ratio is defined as the ratio of the lateral strain to longitudinal strain, within the…

Q: A uniform steel beam of length L and mass m1 is attached via a hinge to the side of a building. The…

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Q: Find the momentum A car that has a mass of 1500 kg and a velocity of 17-0 m/s ?

A: Write the given values with suitable variables. m=1500 kgv=17 m/s here, m is the mass and v is the…

Q: olve the att

A: GivenE=250 JR=39 Ωt=10 ms=0.01 sV=Vo2

Q: A 12,000 lb truck with a speed of 50 mph is heading due east has a head-on collision with a 4000 lb…

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Q: A space capsule of mass 505 kg is at rest 8.00 x 10 m from the center of the Earth. When it has…

A: We know that the potential energy is given as  P.E = mgh  where m is the mass and g is the…

Q: A string is stretched and fixed at both ends, 150 cm apart. If the linear density of the string is…

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Q: At the instant the traffic light turns green, a car that has been waiting at an intersection starts…

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Q: If a volume of mercury at 0oC is 2.4cm3, and the coefficient of volume expansion (α) of mercury is…

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Q: Find the change in volume for a metallic dental filling due to the difference between body…

A: Given : To = 37°C T = -6.7°C Vo = 27.0 mm3 α = 42.0 × 10−6 K−1

Q: A U-tube mercury manometer with one arm open to atmosphere is used to measure pressure in a steam…

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Q: t of mass 40 kg accelerate with the acceleration of 5 m/s^2. Find the net fo

A: We know that the newton's second law of motion is given as  Fnet= ma  where m is the mass of the…

Q: From the picture below of a roller coaster, at which point is kinetic energy at its maximum? a.…

A: Given data:   A roller coaster Four different points are given  Required: The point at which the…

Q: Question (35) A shark with a laser on its head is swimming underwater. The wavelength of the laser…

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Q: What is the Vernier caliper reading? Blank 1 1 8

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Q: A copper wire has a resistance of 2.5 ohms. What will be the resistance of a silver wire having a…

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Q: Consider the compound optical system shown in the diagram, where two thin lenses of focal lengths…

A: Given data: The focal lengths for left and right lens are, fL=7.5 cmfR=35 cm The distance between…

Q: sphere radius of 13.85 cm creates an electric field of strength of 9.75 N/C at a distance of 21.6 cm…

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Q: Newton's third law, the action and reaction forces act on the same body. act on different bodies.…

A: Question: Newton's third law:- (1.)the action and reaction forces act on the same body. (2.)act on…

Q: If the coefficient of kinetic friction betweer what is the shortest distance (in m) in which locking…

A: We know that the friction force on an object is given as  Fs= μN where N is the normal force which…

Q: 7. A pendulum has a period of 1.098 second on Earth (g = 9.80m/s²). The length (m) of the pendulum…

A: Given data:  A simple pendulum  Period (T) = 1.098 s g = 9.80 m/s2 Required: Length (L)

Q: A crate of mass 78 kg is pushed along a floor with a force of 30 N for a distance of 9 m . Calculate…

A: Mass,m=78 kg. Force, F=30 N. Distance,S=9m.

Q: Copper has one conduction electron per atom. Its density is 8.89 g/cm' and its atomic mass is 63.54…

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Q: nd experiences a force of 0.25 N due to earth’s magnetic field. What is the value of Earth’s…

A: We know that the magnetic force is  in terms of the current  I and length L is given as  F = ILBsinθ…

Q: The force P is applied to (a) the 79-lb block and (b) the 124-lb block. For each case, determine the…

A: Simply Newton second law of motion has been used here, force=mass*acceleration P=m*a ANS:…

Q: Q1) One kind of cake requires 200 g of flour and 25g of fat, and another kind of cake requires 100 g…

A: Consider the given data as below. First kind of cake: Let the number of cake is a. Flour=200 g…

Q: A piece of stone thrown vertically upwards. It reaches the maximum height in 9 seconds. If the…

A: Given data :   Acceleration  due to gravity   =  g  Final  velocity  of  stone  =  V    Time  =   t…

Q: Question. A lamp of resistance 80n draws a current 0.75 A. find the line voltage.

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