The pony express was a popular method of moving the mail quickly in the mid-1800s. suppose a pony's momentum is calculated to bethe mass of the pony is 450 kg. what is the magnitude of the pony's velocity? a. 16 km/hrb) 320 km/hrc) 630 km/hrd) 160 km/hr

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

In the circuit, the switch s has been open for a long time and r = 125 kohm. it is then suddenly closed. (a) determine the time constant before the switch is closed. s (b) determine the time constant after the switch is closed. _ s (c) let the switch be closed at t = 0. find the current in the switch as a function of time. (use t for time. express your answer in milliamps and seconds.) i(t) =_

From the perspective of an employee that effective channeling of work related information and concerns