Aman performed 500 j of work moving a couch in his living room. it took him 10 seconds to move the couch . what was his power?

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Alarge box of mass m is pulled across a horizontal frictionless surface by a horizontal rope with tension t. a small box of mass m sits on top of the large box. the coefficients of static and

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat