A person of mass 70 kg descends in an elevator that accelerates at 0.1? downward. What is the reading on the scale when the elevator descends at a constant speed of 1 m/s?

Q: Consider the following figure. (a) A conducting loop in the shape of a square of edge length = 0.340…

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Q: An object weighs 432 N on the surface of the earth. The earth has radius R. If the object is raised…

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Q: A luge and its rider, with a total mass of 79.0 kg, emerge from a downhill track onto a horizontal…

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Q: You are playing basketball and would like to have an accurate shot using projectile motion. Suppose…

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Q: A bus skids for a distance of 25 m with the road pushing on its tires with force of 2000 N as its…

A: Given data: The displacement is d = 25 m The applied force is F= 2000 N The mass of the bus is m =…

Q: 1. In what way is torque unique?

A: Torque is a unique physical quantity because it is a measure of the rotational force that is applied…

Q: A child sitting 1.90 m from the center of a merry-go-round moves with a speed of 2.15 m/s -…

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Q: A horizontal force of 310 N is exerted on a 2.5-kg ball as it rotates (at arm's length) uniformly in…

A: The horizontal force exerted on the balls equal to the centripetal force. Fx=mv2r

Q: 5. Can an object be moving toward the right and the acceleration be pointed toward the left? Explain…

A: 5.yeah it is possible.say you throw a ball upwards,during it upward motion the ball is moving up but…

Q: Suppose a 72-kg person stands at the edge of a 6.2-m diameter merry-go-round turntable that is…

A: Given that, mass of the person is m=72kg the diameter of the turntable is D=6.2m the moment of…

Q: Experimental Procedure In this part of the lab you will examine the motion of a hollow cylindrical…

A: As it is given to solve only first two questions I am going to solve them , Given data: The vertical…

Q: A particle has a charge of +1.20 µC and moves from point A to point B, a distance of 0.240 m. The…

A: Given thatcharge , q=+1.20 μCdistance, d=0.240 mpotential energy difference, ∆P=+9.40×10-4 Jwork…

Q: A single turn coil of radius 4.50 cm is held in a vertical plane and a magnet is rapidly moved…

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Q: A bus drives 40.0 km [E] from town A to town B, then another 30.0 km [S] to town C in a total time…

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Q: A ball is thrown upward from the 2nd floor with an initial velocity of 20 m/s. Using the approximate…

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Q: magnitude of velocity v is 12.0 m/s and points in a direction of 320° counterclockwise from the…

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Q: A cylindrical aluminum pipe of length 1.41 m has an inner radius of 1.72 ×10-3 m and an outer radius…

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Q: A box full of books rests on a wooden floor.The normal force the floor exerts on the box is 259 N.…

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Q: The prey moves towards The speed of the prey, Vprey = 13.52 x Units m/s What frequency will the bat…

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Q: Light emitted by a particular source is incident on a diffraction grating with 8000 lines/cm and…

A: The condition that creates a bright fringe in the interference pattern of grating is…

Q: What is the wavelength of light if it's frequency is 1.00 s-1?

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Q: A space probe is far away from the Sun, or any other sources of energy. It is kept warm (so the…

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: A 1450-kg sports car (including the driver) crosses the rounded top of a hill (radius = 88.0 m) at…

A: To solve this problem, we can use centripetal force and Newton's second law. At the top of the hill,…

Q: What is the energy of a photon if it's frequency is 1.00s-1?

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Q: 0 My Courses Course Home Scores Pearson eText Study Area User Settings Course Tools <Online Quiz…

A: The average speed of the observer is 2.0 m/s when he is at a distance 2.0 km from his home. The…

Q: A wire carries a 5.18-A current along the x axis, and another wire carries a 2.66-A current along…

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Q: A60-cm-diameter wheel accelerates uniformly about its center from 110 rpm to 270 rpm rpm in 5.08. A…

A: The initial angular velocity, ωi=110 rpm=2π60×110 rad/s=11.52 rad/s (using the conversion factor of…

Q: In a vacuum, two particles have charges of 9₁ and 92, where q₁ = +4.3 μC. They are separated by a…

A: Givenq1=+4.3 μCr=0.31 mf=5.1 Nnow since q1 experiences attractive force therefore the sign of q2…

Q: The difference between distance and displacement

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Q: A simple pendulum, 2.0 m in length, is released with a push when the support string is at an angle…

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Q: A proton is initially at rest in a region of uniform magnetic field (first image). There are no…

A: We know that , Magnetic force on charge particle is F =q(v×B)             q =charge v=velocity  B=…

Q: The force of repulsion that two like charges exert on each other is 3.7 N. What will the force be if…

A: Given  Initial force at ro distance (Fo)=3.7 N Required force at ro9

Q: 5. An object is pushed along a rough surface and released. It slides for 10.0 s before coming to…

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Q: Three point charges are shown as below. Find the net force experienced by q2 due to q1 and q3. 200…

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Q: Problem 20: Let the index of refraction for air be 1.00, and let the index of refraction for the…

A: refractive index of air (n1) = 1refractive index of glass (n2) = 1.51Angle of incidence (i) = 12.7o…

Q: A stick is resting on a concrete step with of its total length L hanging over the edge. A single…

A: The second law of rotational motion/ Law of rotational acceleration/ Torque law: It states that the…

Q: A circular coil of 44 loops and diameter 22.0 cm is lying flat on a tabletop, and carries a…

A: Given: Number of loops, N = 44 Current in the loop, I = 1.90 A Diameter of the loop, d = 22.0 cm =…

Q: A golden delicious apple of mass 0.10 kg from Mr. Sawinski’s back yard is attached to a vertical…

A: Given                              mass of apple = 0.10kg      force constant of spring=10.6N/m we…

Q: An 77.0 kg spacewalking astronaut pushes off a 650 kg satellite, exerting a 105 N force for the…

A: According to question--- Given value-- mass of astronaut = 77 kg. Mass of satellite = 650 kg.…

Q: Bananas are moved from one location to another using the pulley system that is displayed. The roller…

A: A belt pulley system is a device that transfers power using a belt from one rotating shaft to…

Q: Consider an x-ray beam, with radioactive source, with = 1.00 Å, and also a y-ray beam from a 137Cs =…

A: The wavelength of the x-ray beam, λ=1.00 A∘ The wavelength of the gamma-ray, λ=1.88×10-2A∘ The…

Q: A certain string, clamped at both ends, vibrates in seven segments at a frequency of 2.40 × 102 Hz.…

A: Given data The frequency vibrating in seven segments is given as f7 = 2.40 x 102 Hz. The…

Q: What is the magnitude and sign of the other charge?

A: Coulomb's Law       It states that the force of attraction or repulsion between any two  electric…

Q: What current does a 175 ohm resistance draw on 220 volts?  a 1.62 A  b 1.26 A  c 12.6 A  d 1.32…

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Q: In the figure below, particle 1 of charge -5.0 nC and particle 2 of charge +2.0 nC are fixed at L =…

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Q: A 1.4-μC point charge is placed between the plates of a parallel plate capacitor. The charge…

A: The charge placed in the electric field between parallel plate capacitor, q=1.4μC The force…

Q: A horizontal force of 400 N is applied to a 50-kg cart across a 10-m level surface. If the cart…

A: Given       Horizontal force=400N             Mass of cart=50kg          Displacement=10m…

Q: (SPHERICAL CONDUCTOR) 3- What is the electrical field 10 m away from a spherical conductor with a…

A: To find the electric field at a distance of 10m from a spherical conductor with a radius of 1.0m and…

Q: A plot of potential energy versus position is shown for a 0.245 kg particle that can move along an…

A: Now since forces are conservative , so we have conservation of mechanical (kinetic and potential)…

Q: A fully loaded, slow-moving freight elevator has a cab with a total mass of 1500 kg, which is…

A: Write the given values with suitable variables. M=1500 kgh=39 mt=1.6 min=96 sm=880 kg Here, M, h, t,…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”