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.   Jack pushes a shopping cart in a straight line at a constant speed of 1 m/s.  

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.   How many cs is [x] ks? Use standard number

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 ball is rolled off the edge of a table that is 1 meter high. It lands on the floor 0.8 meters away from the edge of the table. At the exact moment the ball rolls off the edge of the table, another ball is released from rest at a height of 1.0 meter from the floor. Which ball will hit the floor first?  

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 traveling at [x] m/s applies its brakes and reduced its speed to [z] m/s in [y] seconds. What is the acceleration in m/s2 of the car?  

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 forbidden to photograph, upload, download, copy or share this problem with anyone, or to post it onto any website.   A dog runs from grocery store to home.  If the displacement between home and grocery store is  500 m north, what can you say about the distance between grocery store and home?  

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.   Johnny standing on the platform, seeing the train approach with a [x] m/s velocity.  The engineer applied the brake and the train come to a stop in [z] seconds.  How far in meters had the train traveled within that time?  

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.   Two angry birds were shot from a block.  One angry bird was shot with a velocity of 1.5 m/s.  The other one was  shot at 3 m/s at the same time.  Which one will arrive at the ground first?

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.

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.   Perform the following operation (Write down the numbers on your calculator and round off according to significant figures rules.) [x] cm + [y] cm + 1.3675 cm