Physics

Can something move faster then the speed of light?

Can something move faster then the speed of light?...

Could someone explain general relativity to a non scientist

Could someone explain general relativity to a non scientist ?...

A tennis player places a 42 kg ball machine on a frictionles

A tennis player places a 42 kg ball machine on a frictionless surface, as shown below.?...

physics question please helppp?

physics question please helppp?...

Is weight be used interchangeably with force?

Is weight be used interchangeably with force?I don’t mean that I want to use these words in place of each other but if I need to find the force exerted by something (ex. a brick) could I measure it’s weight and would that measurement be...

How do scientist know 12 dimensions exist? And why 12, why n

How do scientist know 12 dimensions exist? And why 12, why not 7... or 17?...

physics question please help?

physics question please help?...

PHYSICS HELPnA body oscillates with simple harmonic motion a

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Plato Question?

Plato Question?Which of Newtons laws explains why your hands get red when you press them hard against a wall? A. Newtons law of gravity B. Newtons first law of motion C. Newtons second law of motion D. Newton...

If photons have no mass (maybe this is old science) then why

If photons have no mass (maybe this is old science) then why can t light escape a black hole?...

Photoelectric smoke alarm EMFS?

Photoelectric smoke alarm EMFS?I purchased a few photoelectric smoke detectors and I had them sitting on my table and for some reason I was holding a box and I slammed it onto another box just like you would slam a book onto a table, did any...

The greatest height the projectile reaches is approximately?

The greatest height the projectile reaches is approximately?...

How fast would i need to drive my wheelie bin to get it thro

How fast would i need to drive my wheelie bin to get it through the wall of a maximum security prison?Im off to ralph Ralpf...

centripetal pendulum question HELP PLEASE !!?

centripetal pendulum question HELP PLEASE !!?A string pendulum 1.12 m long has a bob with a mass of 200 g. a) what is the tension in the string when the pendulum is at rest? (SOLVED) = 1.96 N b) what is the tension at the bottom of the strin...

why do our muscles on our backs fall down. all the time?

why do our muscles on our backs fall down. all the time?...