This is an original exam question by Prof Kay Han.  It is fo…

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   A calculator answer of 423.6559 must be rounded off to four significant figures. What answer is reported?  

This is an original exam question by Prof Kay Han.  It is fo…

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   A car deccelerated from 60 km/h to rest in 10 s.  In this situation, what does 60 km/h represent?  

This is an original exam question by Prof Kay Han.  It is fo…

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   Starting from rest, a race car accelerates at [x] m/s2 for [y] seconds. How far did the race car travel during the period of time?

This is an original exam question by Prof Kay Han.  It is fo…

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   An egg was thrown horizontally from a [f]-floor building at a speed of [v] m/s. The egg was in the air for [t] seconds before hitting the ground.  How far away was the egg land from the base of the building? List variable associate with number in the next question.  There is nothing to solve here.  Leave answer blank.      

This is an original exam question by Prof Kay Han.  It is fo…

This is an original exam question by Prof Kay Han.  It is forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   An astronomer at the equator measures the Doppler shift of sunlight at sunset. From this, she calculates that Earth’s tangential velocity at the equator is [x] m/s.  Earth has a radius of [y] m.  Calculate the centripetal acceleration in m/s2  at the equator.