15. Betsy uses an electric alarm clock to wake up for school. What energy transformation happens in the alarm clock to help her wake up?(1 point)
Responses
sound energy converts to kinetic energy
sound energy converts to kinetic energy
electrical energy converts to heat energy
electrical energy converts to heat energy
electrical energy converts to sound energy
electrical energy converts to sound energy
chemical energy converts to electrical energy
electrical energy converts to sound energy
r u sure
I apologize for the previous response. Yes, the correct answer is electrical energy converts to sound energy.
16. An aluminum block has a starting temperature of 300oC. The block is placed into 200 milliliters of water, which has a temperature of 20oC. What heat transfer will occur?(1 point)
Responses
Heat will flow from the block to the water until both substances have the same temperature as their container.
Heat will flow from the block to the water until both substances have the same temperature as their container.
Heat will flow from the block to the water until both have a temperature of 300oC.
Heat will flow from the block to the water until both have a temperature of 300oC.
Heat will flow from the block to the water until both substances have a temperature between 20 degrees Celsius and 300 degrees Celcius.
Heat will flow from the block to the water until both substances have a temperature between 20 degrees Celsius and 300 degrees Celcius.
Heat will flow from the block to the water until both substances have a temperature of 20 degrees Celcius.