Find out the accelerations of the bodies

Reference no: EM139218

Q1. Two bodies having masses 30 g and 40 g are attached to the ends of the string of negligible mass and suspended from a light frictionless pulley. Find out the accelerations of the bodies and the tension in the string?

Q2. A star is moving away from the Earth at the speed of 200 km/s. What will be the wavelength of a spectral line that would have the wavelength of 500 nm if the star were at rest?

Reference no: EM139218

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