Spaceship 1 and spaceship 2 have equal masses of 150 kg. spaceship 1 has an initial momentum magnitude of 900 kg-m/s. what is its initial speed?
a. 60 m/s
b. 90 m/s
c. 9 m/s
d. 6 m/s

Why do electron microscopes have higher resolving power than light microscopes?

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.