Calculate the increase in kinetic energy of a car mass 800kg when it accelerate from 20m/s to 30m/s​

Alice added sodium chloride to water and stirred the water for several minutes. alice is most likely trying to demonstrate that ionic compounds a. are hard. b. can dissolve. c. are clear. d. can melt.

Which is not true about oxygen-17 and oxygen-18?

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?