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Physics

Karley Bolton

An electron travels into a 0.5 T magnetic field perpendicular to its path, where it moves in a circular arc of diameter 0.028 m. What is the kinetic energy of the electron?

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Physics

Jay Patrick

What feels the strongest pull toward Earth and why? a box containing 10 baseballs or a box containing 15 baseballs?

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Physics

Markus Newman

Hello what is the meaning of physical science

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Physics

Preston Richards

Our galaxy, the Milky Way, has a diameter of about 100,000 light years. How many years would it take a spacecraft to cross the galaxy if it could travel at 99% the speed of light?

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Physics

PBJ

What information on the periodic table is used to complete electron dot diagrams?

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Physics

Maximilian Camacho

A two-slit Fraunhofer interference-diffraction pattern is observed with light of wavelength 672 nm. The slits have widths of 0.03 mm and are separated by 0.24 mm. How many bright fringes will be seen inside the central diffraction maximum?

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Physics

Leach

What is the primary mechanical advantage of a screw?

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Physics

Blaine Baxter

Find the density of seawater at a depth where the pressure is 950 atm if the density at the surface is 1100 kg/m3. Seawater has a bulk modulus of 2.3 * 10^9N/m2.

Answer in units of kg/m3.

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Physics

Benji

If you want to double the kinetic energy of a gas molecule, by what factor must you increase its momentum?

A) 16

B) √2

C) 2

D) 2√2

E) 4

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Physics

Christopher

A 62 pound box is on an incline. Determine the minimum force P that would result in the box starting to slide up the incline. (include units with answer)

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Physics

Josue Salinas

This rock, known as balance rock, sits on a thin spike of rock in a canyon in idaho. explain the forces that keep the rock balanced on its tiny pedestal.

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Physics

Triston Mcfarland

How much kinetic energy does a 7.2-kg dog need to make a vertical jump of 1.2 m? (gravity is 9.8)

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Physics

Guest

A small office experiences frequent power outages. Users at the location reports that after rebooting their Windows workstations following each power outage, they can no longer find or open files stored on the network. Which of the actions must a technician perform to resolve this issue in the future?

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Physics

Omar Salazar

What is true of any ferromagnetic material?

A. it has two north poles

B. It is difficult to magnetize

C. It can be magnetized

D. It is a magnet.

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Physics

Giada Stewart

It is incorrect to say the temperature of an object is 23k why

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