Iposted this yesterday and i am still waiting in what way does a temporary magnet provide an advantage over a permanent magnet? a. a temporary magnet is stronger than a permanent magnet. b. a temporary magnet is larger than a permanent magnet. c. a temporary magnet uses less current than a permanent magnet. d. a temporary magnet allows the user to determine when it is magnetic

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.

The discovery of the electron as a subatomic particle was a result of