PLZ HELP !
if an object has a mass of 7.8 kg what is the force of gravity on it

How can you increase the strength of an electromagnet?

Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m