2 Ella's TV has a power rating of 4760 W and when she watched her show last night, it
consumed a total of 7.5 kWh on Tuesday. How long did Sara use her TV for?

You will hear a hissing sound because of the carbon dioxide escaping the can or bottle

Ireally don’t know

At maximum height, kinetic energy is converted in potential energy  formula: at max height, ke = ½ * 0.27kg * (16m/s) ² = 34.56 j  so the remaining pe = (41.70 – 34.56)= 7.14 j = 0.27 kg * 9.8m/s² * h  = (9.8/7.14 * 0.27)so max height h = 5.08 or 5 m