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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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Physics

Thalia Fischer

My dog Ubu can run 11 mi/h. How far can he travel in 15mins

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Physics

Donovan Kent

Why does the temperature of the ocean water remain relatively constant, despite large fluctuations in air temperature

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Physics

Jakob Stewart

Acceleration is defined as the rate of change for which characteristic?

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Physics

Zaiden Moody

No glass is perfectly transparent. Mainly because of reflections, about 92% of light passes through an average sheet of clear windowpane. The 8% loss is not noticed through a single sheet, but through several sheets, the loss is apparent. How much light is transmitted by a double-paned window (one with two sheets of glass) ?

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Physics

Alicia Armstrong

Which option determines gravitational pull?

A. Acceleration

B. The sun

C. Volume

D. Mass

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Physics

Downs

One number is three times another. Their sum is 144. What are the numbers?

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