The velocity of p-waves in the crust is ~ 7 km/s. of the epicenter of an m 7.6 earthquake occurred 280 km from the closest seismic station, how long does it take the p-wave to arrive at the station

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?