Help Please! I only have 1 try left... The tape in a videotape cassette has a total length of 205 m and can play for 2.3 h. As the tape starts to play, the full reel has an outer radius of 44 mm and an inner radius of 11 mm. At some point during the play, both reels will have the same angular speed.

What is this common angular speed? Answer in units of rad/s.

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors

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.

Which family/group are gases at room temp. !