THE RIGHT ANSWER WILL RECEIVE A BRAINLESS AND POINTS AND THANKS
What is the fundamental frequency of a mandolin string that is 42.0 cm long when the speed of waves of the string is 329 m/s?

A6.0-kilogram cart initially traveling at 4.0 meters per second east accelerates uniformly at 0.50 meter per second squared east for 3.0 seconds. what is the speed of the cart at the end of this 3.0 second interval? (1) 1.5 m/s (3) 3.0 m/s (2) 5.5 m/s (4) 7.0 m/s