1) A balloon in my fridge initially has a temperature of 22°C and a volume of.5 L. What will be the volume of the balloon when it is fully cooled to the temperature inside the refrigerator of 4.0 Celsius?

Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?

Ideal meters problem. what internal resistance is ideal for a voltmeter? what internal resistance is ideal for an ammeter?