What is the speed of a point on the earth's surface located at 2/5 of the length of the arc between the equator and the pole, measured from equator? (Hint: what is the radius of the circle in which the point moves?) Express your answer with the appropriate units.

Q: 4) A diffraction grating with 1.15x105 grooves/m_is illuminated by 654 nm light. Then, the set-up is…

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Q: Problem 8: A boom with a mass of 101 kg is held in static equilibrium as shown in the figure. A mass…

A: Mass of boom =101kgMass of block M = 168 kgThetha = 52 degree.

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A: We have to find work done  i.eW=q∆V

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Q: The drawing shows an equilateral triangle, each side of which has a length of 1.52 cm. Point charges…

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Q: A stars spectrum emits more radiation with a wavelength of 700.0 nm than with any other…

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Q: A double concave lens has surface radi of 31.4 cm and 28.3 cm. T Part A What is the focal length it…

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Q: .A 50.0 kg boy sits on a 40.0 kg sled which is resting on the ice of a pond (zero coefficient of…

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Q: Two couples act on the frame. (Figure 1) Figure 100 lb 30% 13 ftd-3f1-B A ve 30⁰ 100 lb 150 lb 4 ft…

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Q: 4. A +3.0 x 10-5 C charged particle with a mass of 2.0 x 104 kg is ejected through the top positive…

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Q: Two point charges lie on the $x$ axis. A charge of +9.96 $\mu C$ is at the origin, and a charge of…

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A: Aceeleration is defined by change in velocity in a short period of time i.e when an object moves…

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Q: It is said that Galileo discovered a basic principle of the pendulum- that the period is independent…

A: Time Length Angle Velocity maximum

Q: A satellite has a mass of 6286 kg and is in a circular orbit 4.37 x 105 m above the surface of a…

A: In the circular orbit of a satellite, a centripetal force is provided by the gravitational force…

Q: The charges Q₁ = 3.6 x 107 C, 9₂ = -6.0 x 107 C, and q3 = -1.1 x 107 C are placed at the corners of…

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Q: 4(x) =

A: Now here given the values that,a=7.50cm=0.075mProbability 87%=0.87So now we get from normalization…

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Q: A pair of long, rigid metal rods, each of length L, lie parallel to each other on a perfectly smooth…

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Q: Fis the only force acting on the object of mass m. The force has a magnitude of B and acts at the…

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Q: A 3.0 cm tall object is 15 cm in front of a convex mirror that has a -25 cm focal length. Determine…

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Q: Four charges, qa, qb, qc, qd are fixed at the corners of a square. A charge q that is free to move…

A: Based on the description of the question there can be as many as six different cases or scenarios.In…

Q: Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.20×106 N, one at an…

A: We will use the concept of work done

Q: A 0.32-kg skeet (clay target) is fired at an angle of 28° to the horizon with a speed of 25 m/s.…

A: Range ,NowAfter collision skeet moves along horizontally at, Vertical velocity of pellet is,Now…

Q: A cosmic ray electron (m= 9.1*10-31 kg) moves at 7.13*106 m/s perpendicular to the Earth's magnetic…

A: Mass of electron me = 9.1 × 10-31 kg Velocity of electronve = 7.13 × 106 m/s Strength of Magnetic…

Q: 5) A horizontal wire holds a uniform ball of mass m, and radius R in place on an inclined plane with…

A: Giventhe mass of the ball is mthe radius of the ball is RThe angle of the inclined plane is Need to…

Q: Problem 1: One end of a spring with a spring constant of 159 N/m is held firmly in place, and the…

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Q: A small block with mass 0.0400 kg is moving in the xy-plane. The net force on the block is described…

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Q: Exercise 7.9 A small rock with mass 0 16 kg is released from rest at point A, which is at the top…

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Q: Needs Complete typed solution with 100 % accuracy.

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Q: The force acting on a particle varies as shown in the figure below. (The x axis in the graph has its…

A: (1 smallest division=2.5 m)

Q: A bullet of mass m 8.00 g is fired into a block of mass M 280 g that is initially at rest at the…

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Q: The constant 10-lb force is applied to the 79-lb stepped cylinder as shown. The centroidal radius of…

A: Given,The applied force, The weight of the cylinder, Radius of gyration, The time, The radius,Angle,…

Q: 19) This same scenario can be analyzed by using conservation of energy. What type of mechanical…

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Q: While riding in a hot air balloon, which is steadily descending at a speed of 2.39 m/s, you…

A: From kinematics equation we know,                             And,                      where, 'v'…

Q: If a person's body has a density of 991 kg/m³, what fraction of the body will be submerged when…

A: At equilibrium, the upward buoyancy force balances the downward weight of the object.

Q: A charge +q is located at 3.0 cm, a second charge -2q is located at 8.0 cm, and a third charge -q is…

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Q: Fytys A 6.0-kg block initially at rest is pulled to the right along a horizontal surface by a…

A: A.The magnitude of frictional force is

Q: A person slides a small ball with speed u along the floor from point A. If x= 3.7 m, R = 1.3 m,…

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Q: A chain 59 meters long whose mass is 24 kilograms is hanging over the edge of a tall building and…

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Q: A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20 - kg…

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Q: A technician wearing a circular metal band on his wrist moves his hand (from a region where the…

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Q: Two children, A and B, are sliding on a frozen frictionless pond when they collide and stick…

A: Given dataMass of child A , mA=25.0 kgIt's initial speed vB =1.80m/sMass of child B, mB =35.0kgFinal…