Students test the effects of forces that act from a distance, causing objects to move. they discover that two forces have this effects on objects. these firces are

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point