Is the formation of rust on an iron nail a chemical change or a physical change?

Which is the main difference between cardio and strength training activities

The equation for the change in the position of a train (measured in units of length) is given by the following expression: x = ½ at² + bt³ where a and b are constants and t is time (measured in units of time).

Which statement is NOT true about voltage? A higher voltage means a faster current. All electricity sources have the same voltage. Voltage is the difference in electrical potential energy. The unit for voltage is volt (v).

A wave crest passes the boat every 4.0seconds. Calculate the frequency of the wave in hertz

What is needed to find an object motion A: position B: direction C: speed D: all three

What was Galileo's contribution to the study of motion?

Why do we eat today

A 2.0-kg ball has a momentum of 25kg. m/s what is the ball's speed?

What type of acceleration does an object moving in circular path with constant speed experience

What happens to the electronegativity of elements as you move from bottom left to upper right across the periodic table?