What is the total mechanical energy of the block? If anyone answers I will mark as a brainliest tysm :)

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton