Find the velocity, in kilometers per hour, of a dolphin that swims 55 m in 5.0 s.

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

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

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank