An elevator motor lifts a 2650-kg load a height of 39 m in 12 s.

Q: Given data : Work done-45 Joule Displacement=5 m

A: We know formula, Work done=force * displacenent Therefore  Force=(workdone /displacement) Force=(45/...

Q: If the radius is 6.3 cm and the charge 1S 4.1 µC, how much work was done in charging the sphere? The...

A: The given data   The radius of the sphere R = 6.3 cm = 0.063 m The charge is q = 4.1μC = 4.1×10-6 C ...

Q: Find kinetic energy

A: Given data : Mass=m Velocity=V   To find : It is required to determine kinetic energy

Q: F B D h d4 d3

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Q: 9) A wheel with radius 50.0 cm is rotating with 3500 rpm. It slows down to 50 rpm in 40 seconds. (a)...

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Q: The work done by an electric force in moving a charge from point A to point B is 3.28 x 10-3 J. The ...

A: Given: Work done by an electric force in moving a charge from point A to point B= 3.28 x 10-3 J Elec...

Q: 18. A comet's ion tail deviates 4° from the radial direction. It's transverse orbital velocity is 30...

A: Given angle =4° and velocity V1= 30km/s We have to find the speed of solar wind

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A: The frictional force due to kinetic friction is given by Ff = μkN, where μk = coefficient of kinetic...

Q: Find the value of force applied

A: Given data : Displacement=d Work done=W   Required : The value of force applied

Q: What normal force does a horizontal table exert on a 3.5 kg book that sits at rest? Be sure to draw ...

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Q: 1. A block of bricks is raised 3.0 m vertically to a bricklayer at the top of a wall using a pulley ...

A: According to guidelines we need to solve only first question. kindly repost other questions in the n...

Q: 1.5 1 The plot shows the velocity v versus time t for an object that is moving. 0.5 4 t (s) Part (a)...

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Q: After throwing his cell phone, Vhas Thed went to the playground and saw a ball. He kicked it at angl...

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Q: The circuit to the right consists of a battery (Vo = 3.00 V) and five resistors (R = 611 2, R2 = 582...

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Q: A 7.7 μF capacitor is charged by a 150 V battery (see the figure (Figure 1) a) and then is disconnec...

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Q: Need some assistance figuring this one out!   1. What is the cable AB as a position vector. (rABx,...

A: please post the remaining questions in another post. only 3 questions can answer in one question.

Q: In the figure (Eigure 1), let C = 1.00¼F, C2 = 2.00µF, C3 = 4.00µF, and V- 36.0V. Figure < 1 of 1 C2...

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Q: Two point charges, +2.70 μC and -8.60 μC, are separated by 1.50 m. What is the electric potential mi...

A: Given value--- charge q1 = 2.70 micro C. charge q2 = -8.60 micro C.  separation = 1.5 m. We have t...

Q: The velocityof acar at any time t is given bythe equation:v = 60 m/s + (0.50 m/s3)t2 (a) Find the ch...

A: vt1=1=60+0.5(t1)2=60+0.5vt2=3=60+0.5(t2)2=60+0.5×9

Q: The characteristic of conductive bodies, in electrostatics, is that the charges are distributed on t...

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Q: In an insulated vessel, 255 g of ice at 0°C is added to 585 g of water at 19.0°C. (Assume the latent...

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Q: Divide the value of your slope by 1000. This will convert the units from milliamps per Volt to Amps ...

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Q: Soba shot an arrow directly up in the air with a velocity of 30. 0 [m/s]. Disregarding air resistanc...

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Q: The airspeed of a small plane is 150 km/h. The wind is blowing at 96 km/h [E 15•S]. Determine the ve...

A: We darw a vector diahgam on the x-y plane here the velocity of the plane vp and the velocity of the ...

Q: A kayaker travels down a river at a speed of 16 m/s [down river] relative to ground, with the curren...

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Q: 1.A train moves with a constant velocity of 25 m/s. The train conductor at the front of the train be...

A: Given that:- In question number 1:- Length of train=48m

Q: Explain in short description 1. Resistivity, 2. Conductivity, and 3. Electrical Conductivity.

A: Electrical conductivity and conductivity are the same thing; they both describe a material's ability...

Q: 480 Hz ngth of tube when resonance eurred%3DL meter of tube =d 46in %3D 3.90 meter of tube x .4 0.4d...

A: We know that the formula of the speed of the sound is given as  v = fλ where v is the speed of the s...

Q: The figure shows two blocks that are connected by a cord that passes over a frictionless pulley. The...

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Q: e end of Chapter 4 Problem 4.4 of your book, consider that the trunk with mass M travels at a consta...

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Q: A wave has wavelength of 18 m and a speed of 250 m/s. What is the frequency of the wave?

A: Given: wavelength ( λ) = 18 m  Speed (v) = 250 m/s  

Q: What is the reading in the main scale of the vernier shown? 0.065 0.90 1.17 1.10

A: There is a specific way to read a vernier caliper. The main scale is marked in cm. That is the numbe...

Q: y F1 13 12 5 02° FR F2 F1 = 400 N F2 = 675 N FR =933 N 02 = 45 °

A:

Q: Given data: Force applied=8 N Mass-2 kg

A: Given that, Mass(m)= 2 kg Applied force (F)=  8 N Let the acceleration be "a"

Q: 1. You see your dog @ a distance and hit the brakes. Bike decelerates @ 1m/s^2. Initial speed is 7m/...

A: Concept :- The questions are based on one-dimensional accelerated motion. Equations that can be used...

Q: Is a homoclinic orbit closed in a phase space and can it be periodic?

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Q: Given data : Mass=3 kg velocity%3D4 m/s

A: Given value--- mass = 3 kg. velocity = 4 m/s. We have to find--- kinetic energy?  

Q: A 50 cm thick block of copper is placed against a 30 cm block of iron. Let the dimensions of the fac...

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Q: What two variables are needed to calculate the speed of sound

A: The answer is below

Q: A 31 m length of coaxial cable has a solid cylindrical wire inner conductor with a di- ameter of 2.1...

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Q: How much time passes on a train moving at 0.60c (ie. 60% the speed of light) when 10 minutes pass ou...

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Q: What is a practical example of how a body can still accelerate even without changing its speed?

A: Concept :- When a body of mass m moves in a circular path of radius r with uniform speed v then the ...

Q: Two equipotential surfaces surround a +5.90 x 10-8-C point charge. How far is the 150-V surface from...

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Q: JD is playing with some clay (mass 21-g). He flings it across the room, where it lodges on the hood ...

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Q: 1. Neutrons produced in a reactor are known as thermal neutrons because their kinetic 3 energies hav...

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Q: Select ALL statements below which are true regarding work and energy. Thermal energy is the energy a...

A: We know the thermal energy is associated with the microscopic motion of the particle. The more energ...

Q: A soap bubble (n = 1.33) is 215 nm thick. What is the longest (m = 1) wavelength IN NANOMETERS that ...

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Q: The semiconductor InN has a bandgap of 2.40 eV. What wavelength of light would be emitted from an LE...

A: Given, the bandgap of the semiconductor: Eg = 2.40 eV.   To find the wavelength of the light that wo...

Q: steel I-beam in the drawing has a weight of 8.00 kN and is being lifted at a constant What is the te...

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Q: 4. A pair of vise grip pliers is shown in Figure 4. Determine the force F exerted on the block by th...

A: Given P=100 N

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!