A body is thrown with the velocity v0 at an angle α with the horizontal. If the body remains in air for the time 4s, the maximum height reached by the body will be?.

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

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