The elevator of a mine weighs 3200 N. In the last upward moments of the descent, the elevator has an acceleration of 1 m/s². What is the tension of the rope, I Cassume that the acceleration I of gravity is g = 10 m/s²)

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A: The correct option is : Passengers in both transport vehicles can see the proper length of the other…

Q: Determine the magnitude of the angular velocity of a tire at 0.1 minute if it had an angular…

A: Given Initial angular velocity is ω0=6 rad/s Angular acceleration is α=5 rad/s2 Time interval is…

Q: 12. A bungee jumper with a mass of 100kg jumps from a bridge. There is some free fall bef the bungee…

A:

Q: an ammeter is used to measure the current in a circuit. How is it connected? (a) in parallel (b) in…

A: Ammeter is a device used to measure the current in the circuit.

Q: Q4. A resistor of resistance 7 ohm is connected in series with a capacitor of capacitance 50 micro F…

A:

Q: Q5: Imagine a particle that can be in only three states, with energies -0.05 eV, 0 eV, and 0.05 eV.…

A:

Q: A simple difference amplifier circuit is shown in Figure 4.1. Why would replacing the common…

A:

Q: The wall of a house consists of an outer layer of brick, coated with cement and a layer of plaster…

A: CONCEPT:

Q: What would be the value of the Fahrenheit be at 574.59 K?

A: Given that,  Kelvin temperature (Tk) = 574.59 K

Q: 4. What is the angle between the weight force W and the rod? Explain. 60% cable rod

A: We know, the Weight force W always points downwards then :

Q: hree perfect polarizers are placed in sequence and receive incoming light from one side as shown in…

A:

Q: what is the orientation, is its height 10cm and orientation inverted or upright

A: Object distance =12 cm Focal length=4 cm  Object height =20 cm

Q: The specific heat capacity of water is 4180 Joules per Kilo per degree Celsius. What is the heat…

A: Given  Specific heat capacity C = 4180 J / kg °C To find  Heat capacity of 31 kg of water

Q: Gives a fundamental and principles as well as the equation of solar energy and absorption of…

A: Fundamentals of solar energy: When the sun shines upon a solar panel, energy from the sunlight is…

Q: difference amplifier circuit

A:

Q: Despite being within the sun’s “habitable zone”, both Venus and Mars have average surface…

A: Habitable zone:- The area of space in which an Earth-like planet may potentially have liquid water…

Q: When 2 dozen tins are placed in a pail, the mass is 4560 grams. When 18 tins are placed in the same…

A:

Q: What are the (a) x and (b) y components of the vector that must be added to the following three…

A: Given value--- A = 105 units, 69.0° south of west. B=237 units, 31.0° south of east. 153 units,…

Q: Problem 1: Suppose a two-slit interference pattern from 625 nm orange light has its first maximum…

A: Write the equation of Bragg’s law. Here, n is the order of maxima, λ is the wavelength, d is the…

Q: Calculate the de Broglie wavelength of a proton travelling at the speed of light.

A: Given: Speed of proton vp=14speed of light=143×108m/s, Mass of proton mp=1.67×10-27 kg. Required: De…

Q: Discuss the Michelson-Morley experimenr in terms of the: 1. Set up 2. The procedure and whar does it…

A:

Q: If the first-order diffraction maximum is observed at 12.1° for a crystal having an interplanar…

A:

Q: Find the energy required to move a He+ electron from the n = 3 to the n = 4 energy level. Group of…

A:

Q: Newton's Second Law

A: 1).The lenses do not fall of, since according to an external observer both the person and the lenses…

Q: what is the value of q1, if q2 is 600 x 10-6 C, while the force is 12.3 N at a distance of 2 cm?

A: charge

Q: 3. For Blasius solution of laminar boundary layer, prove for the momentum thickness. U T/x = 1²0 2vx…

A: Given data:                 θU2νx=∫0∞f'd(1-f') dη=f"(0)=0.4696

Q: Tom and Paul are on two different spaceships moving in the same direction in a straight line. Tom's…

A: The correct option is  0.300 c

Q: Celeste won a​ 100-meter race with a time of 11.6​seconds, and Michelle came in second with a time…

A: Given:-  The distance both has to race is d = 100 m  The time celeste take is t1= 11.6 sec and the…

Q: A 2 Kg object moves on a track to the right at 10 m/s, and then reaches a circular depression.…

A:

Q: Use Kirchhoff's rules to analyze the circuit diagram. Assume that the values of the resistances are…

A:

Q: There are two factors that contribute to the total stopping distance for a traveling vehicle. These…

A:

Q: A diffraction grating with n = 2.5E-05 lines/nm is used to separate two colors of light. The angle…

A:

Q: Required information 1.40 ΚΩ www 35.0 Ω • 83.0 ΚΩ V 16.0 kQ where X = 2.80 V. If a voltmeter that is…

A:

Q: Problem 10:  A simple compound microscope with an overall magnification of -550 has an objective…

A: The total magnification of a simple compound microscope is,  m=mome  Where, mo is magnification of…

Q: photons of energy 4.21 eV are incident on sodium, what is the maximum kinetic energy of the ejected…

A: 1. In a photoelectric effect, the maximum kinetic energy of an ejected electron from the surface of…

Q: The speed of a train is reduced uniformly from 20 km/h to 10 km/h while travelling a distance of 80…

A: Initial velocity, u=20 km/h Final velocity, v=10 km/h Distance traveled, S=80 m

Q: A sailboat race course consists of four legs, defined by the displacement vectors A B C and D, as…

A: Given:-  Three displacement vectors have a magnitude as  A=2.70 km B = 5.30 km  and C = 4.40 km…

Q: A uniform disk of mass 5.20 kg has a radius of 0.150 m and spins with a frequency of 0.650 rev/s.…

A:

Q: α₁ Part C As shown, a server at a restaurant is carrying a tray that has a glass of water resting on…

A:

Q: The instantaneous velocity (in m/s) at time t = 0.3 s has the magnitude of: a) 15.0 b) 10.0 c) 12.5…

A: Concept: The instantaneous velocity is the velocity of an object at a particular time. Velocity is…

Q: A block of wood with wheels has a mass M and is sitting at rest on the ground (ignore all friction).…

A: For circular motion to be completed , a minimum velocity v= √(5gR) is required.

Q: Det the velocity of the liquid at the hole, give that h₁=1.5m and h₂= 0.3m h₁ 17₂

A:

Q: onsider a ball (0.50 kg) is tossed upward (from an initial elevation of 0.5m) and rises a vertical…

A: Using Energy conservation and finding the difference of potential energy from height which is…

Q: Calculate the acceleration due to gravity in an airplane that is flying at an altitude of 18000 m if…

A:

Q: 14. What is the result of a. a ? Explain its meaning.

A: Given data as per question To calculate the result of a→  .a→

Q: What acceleration does a baseball of mass 0.27 experience when hit by a bat if 180 N are exerted by…

A: Given  Mass = 0.27 kg Force When a baseball  hit by a bat(F) =180N We know that…

Q: According to the “electron-flow” method, when electric current flows in a conductor: (a) it is the…

A: The correct option is  (a)it is the electrons that move

Q: You have been given the following charge density function Po (1-r/R) for r ≤ R 0 elsewhere P This…

A: CONCEPT:

Q: ! Required information Consider the circuit diagram given below. 1.00 A B 6.00 £2 V R₁ V₁ 10.00 A F…

A: in this question we apply kirchoff's law in circuit loop 1.

Q: Why was the light bulb developed or hoe was it discovered

A: The light bulb is the simplest electrical lamp that was invented for illumination a century ago. It…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: