After an electron has been accelerated through a potential difference of 0.10 kV, what is its de Broglie wavelength

According to the tide table below what time of day will the highest tide occur?

If anyonee has done the momentum lab practical in physics can you give me the answers i am s lostt rnn : (

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill