Question 1 of 5 Which pair of objects is experiencing the greatest gravitational force?

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.