Electricffiledcalcuate escape speed

Thread starter seto6
Start date Jun 3, 2010
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Escape Speed

In summary, an electric field is a force field that exists around a charged object and is measured by the strength and direction of the force exerted on a charged particle. Escape speed can be calculated using the equation v = √(2GM/r) and is important in understanding the motion of objects in space, determining if an object can escape the gravitational pull of another object. The presence of an electric field can affect escape speed for objects with an electric charge. However, escape speed can only be calculated for objects in a gravitational field, such as on a planet or in orbit around a star.

Jun 3, 2010

seto6

electricffiled..calcuate escape speed! urgent please help

Homework Statement

Homework Equations

ke=1/2mv^2
Ue=Eqs
E=kq/r^2

The Attempt at a Solution

Uf+kf=Ki+Ui

Uf=0 and Kf=0

so -Ui=Ki
Eqs=1/2(mv^2)

v=(sEqs/m)^1/2 after this no clue i got lost help please

Last edited: Jun 3, 2010

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Jun 3, 2010

seto6

sry guys is the answer 2.3x10^6m/s

Jun 3, 2010

ehild

Homework Helper

Yes, it is.

ehild

FAQ: Electricffiledcalcuate escape speed

What is an electric field?

An electric field is a force field that exists around a charged object. It is a measure of the strength and direction of the force that would be exerted on a charged particle placed in the field.

How is escape speed calculated?

Escape speed is calculated using the equation v = √(2GM/r), where v is the escape speed, G is the gravitational constant, M is the mass of the object, and r is the distance from the center of the object.

What is the significance of calculating escape speed?

Calculating escape speed is important in understanding the motion of objects in space. It helps scientists determine if an object can escape the gravitational pull of another object, such as a planet or a star.

How does an electric field affect escape speed?

An electric field can affect escape speed if the object has an electric charge. The electric field can either increase or decrease the escape speed, depending on the direction and strength of the field.

Can escape speed be calculated for any object?

Yes, escape speed can be calculated for any object with mass. However, the object must be in a gravitational field, such as on a planet or in orbit around a star, for the calculation to be valid.