Subject Code : PHY3651
Assignment Task

 

Question 1

Given that an object with initial velocity v0 has velocity v at a later time t given by

v = v0 e −kt

for some positive constant k
calculate the position of the object as a function of time, and? 
if the object start off from rest and k = 10 s−1 determine the position of the object after 10 seconds.

Question 2

An ambulance driver A, traveling relative to the Earth’s surface at vAE = 65 km/hr on a straight level road, is ahead of a traffic cop on a bike B traveling at vBE = 80 km/hr relative to the Earth’s surface in the same direction.

What is the velocity vBA of B relative to A?
If we had to change the scenario - i.e. if B were ahead of A. What would the relative velocity calculated above be?

 

 

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  • Uploaded By : William
  • Posted on : April 26th, 2019

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