## How fast must a spacecraft travel relative to the earth, Physics

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How fast must a spacecraft travel relative to the earth for each day on the spacecraft to correspond to 2d on the earth?

By standard equation, for the time t to the earth to correspond to double the time t0 elapsed on ship's clock, Therefore u =(√3/2) c = 2.60 x 108 m/s relating three important figures.

#### Explain the reason when chemical changes, Chemical changes during: Dis...

Chemical changes during: Discharging: The current will flow from positive to negative plate in the external circuit. As current now enters by negative plate, the negative

#### Get interference pattern in youngs double slit experiment, What are the con...

What are the conditions to get interference pattern having good contrast in young's double slit experiment

#### Specific heat capacity, what is the energy value of a candle

what is the energy value of a candle

Regarding filtering, image masking & convolution. Assume we have the following Infra-Red image:   What filter would you use to remove the impulsive noise in the first row o

#### Determine tension in pulley problems, Three equal weights A, B, C of mass 2...

Three equal weights A, B, C of mass 2 kg each are hanging on a string passing over a fixed frictionless pulley as shown. Tension in the string connecting weights B and C is approxi

#### What is meant by the term modulation, What is meant by the term 'modulation...

What is meant by the term 'modulation'? Define with the help of a block diagram, how the process of modulation is carried out in radio broadcasts.

#### Electricity, help by post offoce box explan rasistance of a wire

help by post offoce box explan rasistance of a wire

#### Find the angular velocity of rotation, A mass m rotating freely in a horizo...

A mass m rotating freely in a horizontal circle of radius 1 m on a frictionless smooth table supports a stationary mass 2m, attached to the other end of the string passing through

#### What is the force required to accelerate a mass, What is the force required...

What is the force required to accelerate a mass of one kilogram one meter per second per second? Basically, you have defined the Newton. Force is the vector product of mass

#### to find the time taken by the stone to hit the elevetor, An open platform ...

An open platform elevator is moving down a mine shaft.After the elevator has travelled 25m [from the top of the shaft]a stone is dropped from the top of the shaft .Find time taken  