Metals have a good conductivity for heat and electricity O False O True

Q: When an archer pulls an arrow back in his bow, he is storing potential energy in the stretched bow.…

A: Write the given values with the suitable variables. m=5×102 kgv=40 m/sd=30 cm=0.30 m Here, m is the…

Q: The system shown remains at rest. Each block weighs 60 N. The force of friction on the upper block…

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Q: Find the speed of train Distance-447 km Time=6 hr

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Q: Question 1 of 15 An object is placed a distance s to the left of a thin lens having a focal length…

A: The thin lens formula is 1f=1u+1v f is focal length u is the object distance v is the image distance

Q: What is the number of protons, neutrons, and electrons for element has; atomic number 9, mass number…

A: The given problem is based on atomic physic, To solve the given problem we will define the mass…

Q: A steel ball of mass 0.896 kg, moving with a velocity 1.25 m/s, strikes a second ball of mass 0.896…

A: in this question  we use conservation  law of momentum .

Q: The prime focus of a thin lens (number 1) is at f1 =+0.65m. The lens generates an image at the +1.5…

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Q: A 5.0 kg object is moving at 4 m/s? By what factor does its kinetic energy change if its mass is…

A: GIVEN: m= 5kg v= 4m/s  Kinetic energy: Kinetic energy is the energy that an item or particle has as…

Q: A 50-cm-long spring is suspended from the ceiling. A 370 g mass is connected to the end and held at…

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Q: A ball of mass 0.300 kg is thrown upward, rising 10.0 m above the point at which it was released.…

A: A ball of mass M = 0.300 kg is thrown upward, rising h = 10.0 m above the point at which it was…

Q: A car drives around a circular track of diameter 161 m at a constant speed of 40.8 m/s. During the…

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Q: 8. A ball is kicked vertically upwards from ground level with an initial speed of 14 ms ¹. Find the…

A: Given: The initial velocity of the ball is 14 m/s vertically upward.

Q: A car drives around a circular track of diameter 161 m at a constant speed of 40.8 m/s. During the…

A: "Since you have asked multiple question, as per our guidelines we will solve the first question for…

Q: A cyclist coasts up a 10.0 degree slope, traveling 20.0 m along the road to the top of the hill. If…

A: The solution of this question is given below...

Q: A ball moves along a 1D coordinate system with the following motion parameters at time t = 0 s: Xo =…

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Q: a. In Figure P13.55, how much force does the fluid exert on the end of the cylinder at A? b. How…

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Q: A small iron nail is out into a bucket of cool water. Which of the following is true? the decrease…

A: Heat flows from the high temperature to the low temperature. In this flow temperature of the body of…

Q: When is the object moving to the right? The left? (Answer in interval notation) The velocity of the…

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Q: How much work is done when you apply a horizontal force of 47N to push a 35 kg box 8.0 meters down…

A: Given data:  Horizontal force (F) = 47 N Displacement (d) = 8.0 m Required: Work (W)

Q: a) Compute the electrical energy used by a household whose monthly electrical bill is $30, computed…

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Q: At what angle must the 470-lb force be applied in order that the resultant R of the two forces have…

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Q: Calculate the work W against gravity required to build a cylindrical column of height 8 m and radius…

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Q: Compute the moment (positive if counterclockwise, negative if clockwise) of the 0.54-lb force about…

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Q: F₂ = 600 N 45° F₁ = 800 N ·X F3 = 650 N 60°

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Q: The power of the machine if it is 100%

A: Given data;  Load,F= 650Nit raises a load through a height of 16 m or, S= 16mTime=4 sCalculate the…

Q: In a similar problem as before, a 0.482 kg mass hangs from a frictionless pulley with a radius of…

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Q: 3) A current of 40A flows through a 5m wire with a magnetic field of 150T as shown in the figures…

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Q: a- Compeer between the Proton to Electron magneton where the mass of proton is 1.672623 10-27Kg and…

A: The mass of proton and electron is given by,

Q: Calculate the work W against gravity required to build a hemisphere with base of radius 0.6 m out of…

A: Consider a differential element of width dy, radius x, and height from the base y.

Q: Activity 1: A rectifier circuit is used to charge a 12 Vde battery using a 40 Vp-p AC source,…

A: Here we will use  "Power Electronics " concept. Consider output with 'R-E' Load . Diode will only do…

Q: Determine the moment of the 265-lb force about point A and about point O. 30" B 20" F = 265 lb 01…

A: Torque = r × F  r = position vector F = force vector M = rFSin(theta)  theta = angle between r and F…

Q: The force F has a magnitude of 770 N. Express F as a vector in terms of the unit vectors i and j.…

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Q: A horizontal force of 48 N is applied to push a 35 kg box 6 meters down the hallway at a constant…

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Q: A pump is used to lift 600 kg of water from a depth of 50 m in 20 sec. Take g= 10 ms ² a. Workdone…

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Q: A ball is dropped in a stationary elevator and hits the floor in 0.65 s. How long does it take for…

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Q: Find the momentum Mass=11.33 kg Velocity=2.5 m/s

A: Given data : Mass=m Velocity=V   Required : Momentum

Q: Consider a non-rotating space station in the shape of a long thin uniform rod of mass 1.84 x 10^6 kg…

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Q: Which of the following is the conserved quantity if the system having Lagrangian L= = m(x² + y²) – ²…

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Q: Two blocks are positioned on surfaces, each inclined at the same angle of 58.3 degrees with respect…

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Q: 1.What is the volume of a sound determined by? 4- The pitch of a sound wave b- The frequency of a…

A: In the given question, A sound is a vibration that propagates through a medium in the form of a…

Q: A sample of carbon-14 initially consists of 5 × 10 24 particles. Carbon-14 has a half- life of 5730…

A: Solution: a. Calculate the decay constant for carbon-14 using the following relation. k=0.693t12…

Q: (a) A cord is wrapped around the rim of a wheel 0.250 m in radius, and a steady pull of 40.0 N is…

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Q: he summit of a mountain, 2450 m above base camp, is measured on a map to be 4580 m horizontally…

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Q: For a motion with constant acceleration, the equation of average velocity is (v+vo) _ 2. It is not…

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Q: A projectile is fired from the ground level at an initial angle of 80' above the horizontal and…

A: As we know,  θ = 80° (a) Range (R) = u^2 Sin 2θ/g  R = 14 m  u^2 = 401.15 u = 20.03 m/s

Q: A material of resistivity 370,000 Ohms*m is shaped into a hollow cylindrical shell of length 3 cm,…

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Q: A cooling fan is turned off when it is running at 950 rev/min . It turns 1100 revolutions before it…

A: Given:-  A cooling fan is turned off when it is running at 950 rev/min.   It turns 1100 revolutions…

Q: 3-100 In Fig. 3-27, the strings and pulleys are massless, and there is no friction. Find (a) the…

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Q: what force would be needed to produce an acceleration of 8 m/s² in a bull of muss 7.00 kg ?

A: Introduction :  In this question we are provided with value of mass and acceleration . With these…

Q: Which defines temperature? O the heat released O average translational kinetic energy O average…

A: Defination of temperature : Generally temperature refers to the hotness or coldness of a body. In…