A man ice skating in the skating rink at Campus Martius in downtown Detroit, has a mass of 75 kg and an acceleration of 4.5 m/s2 (without friction). How much force is the man exerting?

The density of gold is 19.3g/cm3. what is the volume of a 13 g gold nugget? ( density: d= m/v)

With these questions , 15 pts & brainliest

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.