A rubber band has an unstretched length of 0.10 m. Someone picks up a paper clip that has a mass of 10 g and pulls It back with the rubber band (like a sling shot) a distance of 25 m. With what speed would the paper clip be launched if it is launched horizonta lly

connect the batteries in series and hope

1 is a answer of a question

you'd use the equation that establishes a relationship between  energy  and  wavelength, which looks like this

e=h⋅cλ, where

λ  - the wavelength of the photon; c  - the speed of light, usually given as  3⋅108m/s; h  -  planck's constant, equal to  6.626⋅10−34j s

plug the value you were given for the energy of the photon in the above equation to get the wavelength

e=h⋅cλ⇒λ=h⋅ce

λ=6.626⋅10−34js⋅3⋅108ms−1.257⋅10−24j=1.581⋅10−1m

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