The circuit shown has a total current of 3 amperes. what is the approximate current at two time constants (it2)?

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

Aweather balloon has a volume of 52.5 liters at a temperature of 252 k. the balloon is released and rises to an altitude where the temperature is 295 k. how does this temperature change affect the gas particle motion?

The reason a penny thrown straight up inside a bus will come back to your hand is that you,the bus,the air inside the bus, and the penny are all moving at the same velocity. true or false