1 Determine the total cost of operating light bulb rated 100w when it is used for 5 hours per day to one month, if the cost of electricity in your area is 0.50 Php per kWh 2. A hair dryer is rated at 1200W. How much electrical energy is dissipated by the dryer when it is used
for 5 minutes
3.The ceiling fan in Gusion's room is rated at 240 V, 70 W. (al How much energy does it consume in a
monine if it is being used for 5 hour per day? (b) How much will he pay for operating this ceiling fan
the cost of electricity on their area is 0.50 Php per kWh​

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?