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More Physics. Please Help.

Refer your answer to the questions on the problem below. Vector A, of magnitude 5.0 cm, is at 36.9° counter clockwise from the +x – axis. It is added to vector B, and the resultant is vector of magnit

Hey so the speed of light is same for everyone?Isn't it.

I have read about that thing where you are in a train that is travelling at nearly the speed of light and so you must not be able to see the back of the carriage but you will be able to see it as the

Help with Physics Question

Earthquakes are essentially sound waves traveling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse seismic waves. These tra

Treadmill speed (U.S.)

there is the distance display which is measured in miles in most cases and then there is the speed. is the speed measured in mph or just a rating like1-10 or what?-The distance is the length of belt p

How do you solve this physics problem? Please help

Im sorry. I ask a lot of physics questions on here and trust me, I regret taking the class cause my mind doesnt work that kind of logic. A charged insulating ball of mass 7.0 g with a uniform charge

On Earth we see the atmosphere change from blue to red at sunset. Will an astronaut orbiting Earth....

People on Earth see the atmosphere change from blue to red at sunset. Will an astronaut orbiting the Earth see the same change in color for their sunset?-An astronaut wouldnt see a sunset from spaces,

How are mono-energetic electron beams generated...

...for things like electron diffractometers? Its not photoelectric, is it? that doesnt seem like itd work out.-First, they can be produced by heating metal (thermionic emission). Then they are acceler

Who is Japanese scientist Nobuyuki Sakai in physics

A cosmologist, specializing in magenetic monopoles, Linear structures in the cosmic microwave background. Based at Yamagata univ. He made the provocative suggestion that space time could be bent arou

Help with GCSE physics homework

Weve basically been told to write about the current, voltage and bulb brightness in series circuits and parallel circuits. I dont really understand what exactly she wants us to do... it doesnt seem to

Lab examples with force

if im correct, a force is a push or a pull. what is a lab example having to do with force and please explain. thanks!-Push and pull forces .. (can be horizontal or vertical) • opening/closing a door -

A motorcycle goes around a circle in 5 seconds. What side G force exists

Please show work.-No way to tell, if youre asking for the horizontal G force along the radius of gyration.And the reason for that is because a = W^2 R = (2pi/T)^2 R is the acceleration radial accelera

Through what angle has the wheel turned when its angular speed is 2.20 rad/s

On a certain game show, contestants spin a wheel when it is their turn. One contestant gives the wheel an initial angular speed of 3.40 rad/s. The angular acceleration of the wheel is -0.736 rad/s^2 .

Honors Physics help please

Find the cost of operating an electric toaster for 3.0 hours if it draws 5.0 A from a 120 V outlet. Electric energy costs 5.5 cents/kW-h. the answer is 10 cents but how do i get 10 cents?-We want to

Physics, energy and mass problems

Nuclear-energy production worldwide was 2.0x10^3 TW*h in 1993. What mass of U-235 releases an equivalent amount of energy in the form of binding energy? U-235 is 235.043934 Amu per atom Please expla

Wavelength question...

Which of the following wavelengths can be observed by a telescope located on the Earths surface? A) Gamma ray B) X-ray C) Radio D) None of the above wavelengths-D) None of the above wavelengths-http:
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