PLS I NEED HELP FAST A wave has a frequency of 7 Hz and a wave speed of 22 m/s. What wavelength?

0.318 m
3.14 m
154 m
3.6 m ​

The 5-kg cylinder is initially at rest when it is placed in contact with the wall b and the rotor at a. if the rotor always maintains a constant clockwise angular velocity v = 6 rad> s, determine the initial angular acceleration of the cylinder. the coefficient of kinetic friction at the contacting surfaces b and c is mk = 0.2.

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?