A good workout would burn about 100,000 joules of chemical energy. Suppose you wanted to push a sofa with a force of 1600 Newtons as exercise. How far would you need to push the sofa for you to get a good workout?

Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?