what net force is necessary to give a 5.0 kg mass that is initially at rest an acceleration of 11 m/s2?

0.45 n
2.2 n
16 n
55 n

How will the system respond to a temperature increase?

What kind of waves require a medium to travel? question 6 options: light waves mechanical waves all waves need a medium to travel electromagnetic waves

Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?