A student, who weighs 610N, is standing on a bathroom scale and riding an elevator that is moving downwards with a speed that is decreasing at a rate of 3.1m/s².

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Q: A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and…

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Q: jenny learns it may rain tomorrow . she also hears the temperature will be around 16 degrees celsius…

A: what type of precipitation will most likely occur tomorrow ?  Option b        Rain

Q: In searching the bottom of a pool at night, a watchman shines a narrow beam of light from his…

A: Givend=2.5 mh=2.2 mwhat else do we need in this problemμ1=1    (refractive index of water)μ2=1.33…

Q: Problem #7: When a 6 kg mass is attached to a spring whose constant is 24 N/m, it comes to rest in…

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Q: hello can you do question 4please and explain

A: As asked, question 4 is solved here. The speed of sound depends on material rigidity and density.

Q: Part A How much energy is stored in a 2.60-cm-diameter, 14.0-cm-long solenoid that has 190 turns of…

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Q: If the focal length of a spherical mirror is 15cm. Find the radius of curvature ?

A: Given  Focal length of the spherical mirror,               f = 15 cm  We know,  The radius of…

Q: It was a snow day, so Eric and some friends went sledding. He boarded his 60-inch sled and descended…

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Q: A 0.500-kg of cold water at  1°C  is placed in 0.400 kg of  35.0°C  water in a very well-insulated…

A: Given data: The given mass,m1=0.500 kg The given mass, m2=0.400 kg The given temperature,T1=1°C The…

Q: Assume that the origin goes through the A particle. The three masses are connected by massless,…

A: Length of each rod (L) = 30 cm mass of A = 450 g mass of B = 200 g mass of C = 150 g

Q: A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car. During the…

A: Mass of truck = 20 ton Mass of car = 1500 lb

Q: A tightrope walker more easily balances on a tight wire if her pole Group of answer choices is held…

A: A tightrope walker more easily balances on a tight wire if her pole droops.

Q: A tire is filled with air at 15°C to a gauge pressure of 220 kPa. If the tire reaches a temperature…

A: Given, The initial at which the tire is filled with air, T1=15+273.15=288.15 The pressure of the…

Q: 4. Why do astronauts in orbit seem to float?

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Q: A particle has a lifetime, as measured in its own reference frame, of 0.42 µs. It propagates at a…

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Q: A-6.10-D lens is held 14.5 cm from an ant 1.00 mm high. Part A What is the position of the image? on…

A: Given, Power of the lens, P = -6.10 D ant distance from the lens, do = 14.5 cm height of the ant, ho…

Q: The two charges in the figure below are separated by a distance d = 4.00 cm, and Q = +5.50 nC. d d 2…

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Q: 5.107 A small bead slide without friction on a circu- lar hoop that is in a vertical plane and has a…

A: Given:- A small bead can slide without friction on the circular  hoop The circular hoop is  in a…

Q: Q1: choose the best answer: 1- The most relevant force in solid state physics is: a- Gravitational…

A: The most relevant force in solid state physics is: d- Choice b and c i.e columb force and strong…

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A: Given, The proper lifetime of the particle, to = 2.86 μs speed of propagation of the particle, v =…

Q: A particle of mass 1.0 kg moves from A to B in response to two forces. One force does work of +100 J…

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Q: DS-3 Coherent, monochromatic light goes through a pair of slits which are spaced a distance 0.600 mm…

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A: Given: Mass of satellite, M=215 kg Radius of satellite, R=4.8 m Initial velocity of satellite,…

Q: 3. Determine the kinetic energy of a 625 kg roller coaster car that is moving with a speed of 18.3…

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Q: Consider the vectors a = 6i +2j+9k and b = 7i- 6j - 6k, where i, j, and k are mutually-…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: An industrial flywheel has a greater rotational inertia when most of its mass is Group of answer…

A: Solution: Given that , An industrial flywheel has a greater rotational inertia   The moment of…

Q: A solenoid 3.0 cm long consists of 9000 loops of wire. If the magnetic field inside the solenoid is…

A: Length (L) = 3 cm = 0.03 m Number of loops (N) = 9000 turns magnetic field (B) = 1 T

Q: 1. A farmer pulls a cart with a force of 40 N for 15 m. If the farmer pulls the rope attached to the…

A: Data provided:  Force (F) = 40 N Distance (d) = 15 m Angle (θ) = 30° Asked: The work done (W)

Q: Suppose 57.5 L of gasoline, which has a coefficient of volume expansion of 9.5 × 10-4 /°C, was…

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Q: The calorimeter is made of 0.15 kg of aluminum and contains 0.20 kg of water. Initially, the water…

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Q: Rudolph's mother is a physicist. She gave him a present for his birthday, but she told him he can…

A: Given data:  Normal force (FN) = 55 N Required: The mass (m)

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Q: A gunpowder explosion in a cannon reaches a gas pressure of 3.0E8 Pa. If the cross sectional area…

A: Given data:  Pressure (P) = 3.0×108 Pa Cross sectional area (A) = 75 cm2 Required: Force (F)

Q: The two charges in the figure below are separated by a distance d = 4.00 cm, and Q = +5.50 nC. (a)…

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Q: A uniform annular ring of mass m and inner and outer radii a and b, respectively, is pivoted around…

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Q: 2, L=5H, E = =-1.0 A/s. Find Vab at this instant. R i This current is decrea: L E b

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Q: V mercury cell with a capacity of 2.5 A⋅h is used to power a cardiac pacemaker. (a) If the power…

A: Given  Capacity of mercury cell = 2.5 A.h Power of cell = 0.3 mW=0.0003 W We have to find average…

Q: A street light is at the top of a 24 ft pole. A 5 ft tall girl walks along a straight path away from…

A: Introduction: Shadow always forms when light path is blocked by an object which should be an opaque…

Q: Q1) A basketball is thrown towards the basket with a velocity of 13.1m/s at an angle of 55°. Find:…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: An electron in a TV camera tube is moving at 8.80×106 m/s in a magnetic field of strength 91 mT.…

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Q: In the figure, a solid 0.3 kg ball rolls smoothly from rest (starting at height H = 6.4 m) until it…

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Q: A 5 kg block is moved up a 30 degree incline by a force of 50 N, parallel to the incline. The…

A: Given:-  The mass of the block is m = 5kg  The angle of inclination is θ=30o The coefficient of…

Q: An underground gasoline tank can hold 1.19 x 10³ gallons of gasoline at 52.0°F. If the tank is being…

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Q: A 40.0-N box starts sliding from rest down a rough ramp 6.00 m long, inclined at 30.0 degrees from…

A: Introduction: Energy method uses the concept of conservation of energy and correlation between…

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Q: Dwight Schrute weighs 75 kg. He rides a Ferris wheel which is rotating at constant speed. The…

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Q: 5. Calculate the acceleration due to gravity on the surface of Jupiter? (mj = 1.90×10²7 kg, rj =…

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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!