5. Nick walks 5 minutes East in which he walks a distance of 15 km He then rests for 5 minutes before turning left and walks another 15 km in 5 minutes. a) What is his
instantaneous velocity (in km/min) before he rested? b) What was Nick's average velocity
(in km/min) over the whole trip?

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

What are igneous intrusions and extrusions

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio