Aspaceship accelerates from 0 m/s to 60 m/s north in 3 seconds. what is the acceleration of the spaceship? a.20 m/s2 b.60 m/s2 c.180 m/s2 d.1 m/s2

World class speed skaters can skate a 3,000-m course in about 4 minutes.what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s

The dot diagram represents the motion of the motorcycle as it moves from left to right

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?