A 3.00 kg crate is accelerated from 7.25 m/s to 12.50 m/s. What is the amount of work needed to accelerate the crate, to the nearest tenth of a joule?

explanation: magnetic pole, region at each end of a magnet where the external magnetic field is strongest. the south-seeking pole, or any pole similar to it, is called a south magnetic pole. unlike poles of different magnets attract each other; like poles repel each other.

e) none of the above answers are correct

a.   mass number from atomic number