Problem 4:
john drove south 120 km at 60 km/h and then east 150 km at 50 km/h.
determine
a) the average speed for the whole journey?
5) the magnitude of the average velocity for the whole journey?

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

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?

The ozone hole appears in antarctica during