Explain the difference between balanced forces and action and reaction forces.

Which property of fossils allow scientists to determine the relative rock ages..

A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?

Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving