Answer asap the two methods used for determining mass are: a) measuring directly on a scale b) measuring directly on a balance c) measuring directly by displacement of water d) calculated by measurements of w and g

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.

Which is an example of an exothermic process?

How is the ideal mechanical advantage of a wheel and axle calculated?