Physics

How can something exist in time/fourth dimension

Im having a very hard time depicting a being that exists in time. I am thinking way too literal and physical, can someone help?-Okay, time to take a drip through dimension land, Lets jump into 0D: Yo

Properties of bremsstrahlung radiation

on the wikipedia article for bremsstrahlung radiation, http://en.wikipedia.org/wiki/Bremsstrahl… the picture looks like it shows the emissions path to be perpendicular to the path of the electron, bu

Is there a way of lowering the Ohms on a single speaker

Hello All - Im interested in purchasing a 112 ((1) 12 Speaker) External Cabinet for a Guitar Amplifier.The Best Deal that I could come across has a really powerful, high efficient 12 single speaker -

Marble Roller Coaster: Calculations

I have to make a marble roller coaster for my 12th grade physics class and my teacher said that we can choose what we calculate for data. But I have NO idea what i can calculate! So those of you who

Does the term "hot air rises and cold air sinks" applies in an air conditioned room

I really need an answer for this as soon as possible. thanks!-This applies whenever there is a temperature gradient in the air. If the temperature in a room is exactly the same everywhere there will b

What are the horizontal and vertical components of a 7 unit vector that is oriented 50° above the horizontal

7 cos(50) and 7 sin(50)-horizontal component = 7*cos(50°) = 4.45 vertical component = 7*sin(50°) = 5.36

If you shoot a gun in space, the bullet would keep going

Because according to physics, the bullet in a vacuum of space would keep going at the same velocity unless acted on by another objects gravity or hitting another object. PS Wouldnt the bullet eventual

How to find potential and kinetic energy from total energy

Im trying to figure out how to calculate the release height for a pendulum when im only given total energy and the mass. Its a simulation so were told to set the mass at whatever wed like and then dra

Spring and Work Question

A block of mass m=2 kg, attached to a spring of stiffness k=30 N/m, is lying on a horizontal desk. Initially, the spring is suppressed by A=10cm. When it is released, the block pushed by the spring pa

What is the minimum force

The weight of the block in the drawing is 60.2 N. The coefficient of static friction between the block and the vertical wall is 0.600. Please regard the 40o angle between F and the vertical in the pic

A circle has the diameter of 16 cms. What is it's area

A circle has the diameter of 16 cms. What is its area?-200.96 I think A= pie x r x r-Area of circle = pi x (r squared) r is the radius ( diameter = 2r) Pi (not pie) is a constant, approximately 3.141

Is matter just dense potential energy

In the realm of cosmology, extensions of the term matter are invoked to include dark matter and dark energy, concepts introduced to explain some odd phenomena of the observable universe, such as the g

PHYSICS QUESTION..PLEASE HELP!!!

I DONT GET THIS QUESTION WHATSOEVER.. PLS SPARE FROM YOUR TIME TO HELP THIS INNOCENT SOUL...PLEASE! The focal length of a slide projecters converging lens is 10 cm. If a 35 mm slide is positioned 10.

Physics Question Need Help ASAP

A solid ball rolls smoothly from rest (starting at height H = 8.0 m) until it leaves the horizontal section at the end of the track, at height h = 2.0 m. How far horizontally from point A does the bal

Can you teach me projectile motion

In the most basic of ways. Break it down to the bare minimum. PLEASE!!!-sure. projectile when launched has a velocity v which is inclined at an angle (theta) to the plain now the vertical component of