Find the components of v.

Q: Gold has a density of 1.932 x 104 kg/m³ at 0°C and an average linear expansion coefficient of 1.420…

A: density of gold at 0o C = 19320 kgm3linear expansion coefficient = 1.42×10-5 oC-1mass at 0o C = 60…

Q: Vector A has components Ax = -16.1 and A, = -4.32. What is the magnitude A of this vector? Determine…

A: The x-component of A→, Ax=-16.1 The y-component of A→, Ay=-4.32

Q: If a charge of magnitude 7.45x10-17C, with speed 4.66x106 m/s, and mass 7.12x10-25 kg moves within…

A: Given data, Charge q=7.45×10-17 C Speed v=4.66×106 m/s mass m=7.12×10-25 kg Magnetic field…

Q: An electron moves with speed 2.00 x 105 m/s in a 1.80-T uniform magnetic field. At one instant, the…

A: Given:-  The speed of the electron is v = 2.00 x 105 m/s  The magnitude of the magnetic field B =…

Q: A vertical cylinder with a heavy piston contains air at 310 K. The initial pressure is 3.45 x 105…

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Q: Consider vector à with components A and Ay. Derive an expression, in terms of A and Ay, for the…

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Q: The electric potential in certain region of space and If values y described function: V = ax +By²…

A: according to question

Q: Nerve impulses in giant axons of the squid can travel with a speed of 20.0 m/s. How fast is this in…

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Q: A proton has a mass of about 1.673x10-27kg. If an electron is placed in a region of space within…

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Q: A rotating platform of radius R = 2.7 cm starts from rest and accelerates with uniform angular…

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Q: ou have a container filled with 33 moles of neutral lithium. How much negative electric charge is…

A: GIVEN;-           No of moles of lithium ion= 33moles

Q: A spring stretches 5.0.cm when pulled by a 100-N force. Calculate the force constant of the spring.

A: Given : Spring stretches distance x=5.0 cm=0.05 m    Force F=100N  from Hooke's low  F=-k x…

Q: Three point charges Q₁=+0.4 pc; Q2 = -0.4 pc and Q=-0.4 μe are placed as shown in figure beside,…

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Q: The average kinetic energy of the particles in a substance is  a) Increased as the temperature of…

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Q: P k a P te

A: Shear stress; is a force that tends to cause material deformation by slippage along a plane or…

Q: a particle moves in one dimension, and its position as a function of time is given by x = (1.9m/s)t…

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Q: Despite a very strong wind, a tennis player manages to hit a tennis ball with her racquet so that…

A: As ball  left the contact with the racquet  the force exerted by the hit will be zero.  Now the ball…

Q: A force of 36 Newtons causes an object to accelerate from rest to a speed of 12 m/s in 6.0 seconds.…

A: Given data:  Force (F) = 36 N Initial velocity (u) = 0 m/s Final velocity (v) = 12 m/s Time (t) =…

Q: estimate the rotational speed of the surface of Earth, the circumference of Earth, and the radius of…

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Q: How would you solve this type of problem??

A: For vectors to be parallel to vector A, they need to make an angle of 20 degree with the horizontal…

Q: An ice cube with a mass of 24.0 g at a temperature of -13°C is heated up until it is vaporized into…

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Q: A 5.2 x 105 kg subway train is brought to a stop from a speed of 0.95 m/s in 0.57 m by a large…

A: Given, The mass of the subway train = 5.2×105 kg =m  Initial velocity of the train = 0.95 m/s = Vi…

Q: Center of Mass. a) Prove that: • the CM of a system of two masses m1 and m2 lies on the line…

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Q: What is the work done, in joules, by the force? W = || J

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Q: Hello, I needed help with the open-ended response. Here is the sub parts

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Q: A proton accelerates from rest in a uniform electric field of 642 N/C. At some later time, its speed…

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Q: The vector in the figure has a length of 4.0 units and makes a 30° angle with respect to the y-axis.…

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Q: When all quantum numbers are considered, how many different quantum states are there for a hydrogen…

A: Quantum states are calculated based on quantum numbers n, l, ml, ms          for a given principal…

Q: Suppose you have 0.53 moles of an ideal gas. What is the average kinetic energy of that gas (in…

A: Given data:  An ideal gas  Number of moles (n) = 0.53 Temperature (T) = 280.2 K Required: The…

Q: Given 2 conducting plates. Find:   1. Electric field at point (1)  2. Voltage between points (1)…

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Q: Find the electric field due to an electron (-1.60217662 × 10-19 coulombs) located 1 meter to the…

A: Given data:  Charge (q) = -1.60217662×10-19 C Distance (r) = 1 m, to the right  Required: The…

Q: An automotive repair shop is to be started in Chicago, IL. The building will be 110 ft long x 60 ft…

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Q: Show that y = ymax cos(xt) is a solution to the wave equation A wave velocity being related to the…

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Q: Derive an expression for the frequency of oscillation of the mass shown in Fig. 16.18. FIG. 18.19…

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Q: parallel-plate capacitors are widely used in electronics such as preventing direct current leakage.…

A: Given Data, Surface Charge density σ=7.70×10-6 C/m2 Plate separation (d)=0.49 μm

Q: A crane lifts a 268 kg crate a height of 12.4 m in a time of 80.0 s at a constant speed. What is the…

A: Given : Mass = 268 kg Height = 12.4 m Time = 80 sec

Q: Suppose you wish to measure the current in a wire. You have a device that can measure the strength…

A: Given:-  The  magnitude of the magnetic field is B = 1.72 μ T  The magnetic field B is r = 0.98 m…

Q: A ball is kicked with an initial velocity of 17.0 m/s in the horizontal direction and 14.0 m/s in…

A: Given Data:  Initial velocity of ball in horizontal direction is uh=17ms Initial velocity of ball in…

Q: I A quarterback can run with a speed of v = 15 mph. He throws a ball with a speed of vz = 35 mph at…

A: in this question  we projectile motion equation  here we can use total time flight (Tflight)…

Q: An electron is accelerated by a constant electric field of magnitude 295 N/C. (a) Find the…

A: Given:- The magnitude of the constant electric field is E = 295 N/C.  An electron is accelerated in…

Q: 6. A 5000kg truck travelling at 15ms-1 slams into a cement wall, stopping in a distance of 6m. a)…

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Q: Light of wavelength 500-nm violet ejects photoelectrons with a maximum kinetic energy of 0.92 eV…

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Q: When a charged particle moves perpendicularly to the direction of a uniform magnetic field, the…

A: Given Data: Mass (M)=5.1×10-25  kg Magnitude of given charge (Q)=4.02×10-17 C Velocity of charge…

Q: If the density of dry air is 1.28kg/m3 then what is the mass of the air in the room in kg that the…

A: Given data:  Density of air (ρ) = 1.28 kg/m3 Room dimensions =  14.1ft x 15.5ft x 12.0ft Required:…

Q: Light of 500 nm is incident on two slits separated a distance 0.10 mm. The interference pattern…

A: Given data:  Wavelength of light  λ=500 nm=500×10-7 cm Distance between slits (d)=0.10 mm=0.10×10-1…

Q: shows a junction with currents labeled I1 to I6. Which of the following statements is correct?

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Q: Required information A 17.6 cm x 28.4 cm rectangular loop of wire carries 1.00 A of current…

A: in this question  given values  are,   I = 1.00  A B = 2.70  T  Q = 17.6 cm = 0.176 m R = 28.4 cm =…

Q: If 1 kg of air at 250 kPaa pressure and 100°C were to be expanded at constant pressure in a closed…

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Q: Distance d (m) 2.00 1.50 1.00 0.50 4.0 Time t (s) What is the slope of the distance-time graph?…

A: here distance versus time graph is given  slope of this graph gives velocity. slope = distance/ time…

Q: Conservation of Angular Momentum. A uniform spherical asteroid rotates around an axis through its…

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Stellar evolution

We may see thousands of stars in the dark sky. Our universe consists of billions of stars. Stars may appear tiny to us but they are huge balls of gasses. Sun is a star of average size. Some stars are even a thousand times larger than the sun. The stars do not exist forever they have a certain lifetime. The life span of the sun is about 10 billion years. The star undergoes various changes during its lifetime, this process is called stellar evolution. The structure of the sun-like star is shown below.

Red Shift

It is an astronomical phenomenon. In this phenomenon, increase in wavelength with corresponding decrease in photon energy and frequency of radiation of light. It is the displacement of spectrum of any kind of astronomical object to the longer wavelengths (red) side.