20. What event started all galaxies moving away from each other.

Q: A UFO experienced a constant acceleration of 7 m/s2 east for 94 s and was going 676 m/s east at the…

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Q: and the other with q). 1 for the hemisphere by a constant, so we do not ne

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Q: (a) How does the energy of electrons depend on the wavenumber in the free electron theory? Include a…

A: Solution:-                   The relation between energy and wave number in free electeon…

Q: Directions: Briefly and concisely answer the following questions. 1. What is the net force? 2. How…

A: The problem is based on the concept of force on a  particle placed inside the electric and magnetic…

Q: Q4. Convert these into proper vector notation: Westward velocity of 42 km/h. Position 6.5 measured…

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

Q: 1. In each of five situations, two point charges (Q₁, Q2) are separated by a distance d. Rank them…

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Q: 1. A sinusoidal wave traveling in the positive x direction has an amplitude of 15.0 cm, a wavelength…

A: General expression for any wave function is given byy=Asinωt-kx+ϕ Where, Ais the amplitude k is…

Q: A spherical rain drop carries a charge of 2.70E-8 C and has a potential of 5.76E+4V at the surface.…

A: Given: In this question, the given details are, A spherical rain drop carries a charge of 2.7×10-8 C…

Q: A 10.-kilogram rubber block is pulled horizontally at constant velocity across a sheet of ice.…

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Q: A ball is thrown directly downward, with an initial speed of 6.73m/s, from a height of 28.1m. After…

A: Given  A ball is thrown directly downward, with an initial speed of 6.73m/s, from a height of 28.1m.…

Q: A parallel-plate capacitor has plates with area 2.10x10-2 m2 separated by 1.70 mm of Teflon. a.…

A: Given: In this question, the given details are, A parallel-plate capacitor has plates with area…

Q: - 40. A 2.00-kilogram mass is at rest on a horizontal surface. The force exerted by the surface on…

A: Part (40): Given: The mass of the object is 2 kg.

Q: D] A 4 kg mass in free space (no gravity) is seen moving with a constant acceleration of 2 m/s² in…

A: The net acceleration is given as 0i^+2j^ . But net acceleration is given as Fnet/mass

Q: Only the first 3 parts were answered. Still need help with the last 3

A: Here, we have to Use Flemings Left Hand Rule : the forefinger representing the direction of the…

Q: THESE ARE NOT THE ANSWERS THIS IS DUE BY MIDNIGHT HELP

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Q: Ina microscope of the type shown in the figure, the focal length of the objective is 5.64 cm, and…

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Q: h, what distance y2 will the large piston A2 rise?

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Q: m M A puck of mass m = 1.50 kg slides in a circle of radius r = 20.0 cm on a frictionless table…

A: Given: The mass of the puck is 1.50 kg. The radius is 20.0 cm. The mass of the hanging cylinder is…

Q: If y = f(x) is a polynomial function of degree 3, then The slope of the tangent line to the graph of…

A: Introduction: The steepness of a line is given by its slope. It is also known as gradient.